District No. 1 [Reserved]
District No. 2-Boston, Massachusetts
Class A
Boston, MA (the port of Boston includes, among others, the port facilities at Beverly, Braintree, Chelsea, Everett, Hingham, Lynn, Manchester, Marblehead, Milton, Quincy, Revere, Salem, Saugus, and Weymouth, MA)
Gloucester, MA
Hartford, CT (the port at Hartford includes, among others, the port facilities at Bridgeport, Groton, New Haven, and New London, CT)
Providence, RI (the port of Providence includes, among others, the port facilities at Davisville, Melville, Newport, Portsmouth, Quonset Point, Saunderstown, Tiverton, and Warwick, RI; and at Fall River, New Bedford, and Somerset, MA)
Class C
Newburyport, MA
Plymouth, MA
Portsmouth, NH
Provincetown, MA
Sandwich, MA
Woods Hole, MA
District No. 3-New York, New York
Class A
New York, NY (the port of New York includes, among others, the port facilities at Bronx, Brooklyn, Buchanan, Manhattan, Montauk, Northport, Port Jefferson, Queens, Riverhead, Poughkeepsie, the Stapleton Anchorage-Staten Island, Staten Island, Stoney Point, and Yonkers, NY, as well as the East Side Passenger Terminal in Manhattan)
District No. 4-Philadelphia, Pennsylvania
Class A
Erie Seaport, PA
Philadelphia, PA (the port of Philadelphia includes, among others, the port facilities at Delaware City, Lewes, New Castle, and Wilmington, DE; and at Chester, Essington, Fort Mifflin, Marcus Hook, and Morrisville, PA)
Pittsburgh, PA
District No. 5-Baltimore, Maryland
Class A
Baltimore, MD
Patuxent River, MD
Class C
Piney Point, MD
Salisbury, MD
District No. 6-Miami, Florida
Class A
Boca Grande, FL
Fernandina, FL
Fort Lauderdale/Port Everglades, FL, Seaport
Fort Pierce, FL
*Jacksonville, FL
Key West, FL
Miami Marine Unit, FL
Panama City, FL
Pensacola, FL
Port Canaveral, FL
St. Augustine, FL
St. Petersburg, FL
*Tampa, FL (includes Fort Myers)
West Palm Beach, FL
Class C
Manatee, FL
Port Dania, FL
Port St. Joe, FL
District No. 7-Buffalo, New York
Class A
Albany, NY
Alexandria Bay, NY
Buffalo, NY
Cape Vincent, NY
Champlain, NY
Chateaugay, NY
Ft. Covington, NY
Massena, NY
Mooers, NY
Niagara Falls, NY (the port of Niagara Falls includes, among others, the port facilities at Lewiston Bridge, Rainbow Bridge, and Whirlpool Bridge, NY)
Ogdensburg, NY
Peace Bridge, NY
Rochester, NY
Rouses Point, NY
Thousand Islands Bridge, NY
Trout River, NY
Class B
Cannons Corner, NY
Churubusco, NY
Class C
Oswego, NY
District No. 8-Detroit, Michigan
Class A
Algonac, MI
Detroit, MI, Detroit and Canada Tunnel
Detroit, MI, Detroit International Bridge (Ambassador Bridge)
Grosse Isle, MI
Isle Royale, MI
Marine City, MI
Port Huron, MI
Sault Ste. Marie, MI
Class B
Alpena, MI
Detour, MI
Grand Rapids, MI
Mackinac Island, MI
Rogers City, MI
Class C
Alpena, MI
Baraga, MI
Bay City, MI
Cheboygan, MI
Detour, MI
Escanaba, MI
Grand Haven, MI
Holland, MI
Houghton, MI
Ludington, MI
Mackinac Island, MI
Manistee, MI
Marquette, MI
Menominee, MI
Monroe, MI
Munising, MI
Muskegon, MI
Pontiac, MI
Port Dolomite, MI
Port Inland, MI
Rogers City (Calcite), MI
Saginaw, MI
South Haven, MI
District No. 9-Chicago, Illinois
Class A
Algoma, WI
Bayfield, WI
Chicago, IL
Green Bay, WI
*Milwaukee, WI
Class C
Ashland, WI
East Chicago, IL
Gary, IN
Kenosha, WI
Manitowoc, WI
Marinette, WI
Michigan City, IN
Racine, WI
Sheboygan, WI
Sturgeon Bay, WI
District No. 10-St. Paul, Minnesota
Class A
Ambrose, ND
Antler, ND
Baudette, MN
Carbury, ND
Duluth, MN (the port of Duluth includes, among others, the port facilities at Superior, WI)
Dunseith, ND
Ely, MN
Fortuna, ND
Grand Portage, MN
Hannah, ND
Hansboro, ND
International Falls, MN
Lancaster, MN
Maida, ND
Neche, ND
Noonan, ND
Northgate, ND
Noyes, MN
Pembina, ND
Pine Creek, MN
Portal, ND
Ranier, MN
Roseau, MN
Sarles, ND
Sherwood, ND
St. John, ND
Walhalla, ND
Warroad, MN
Westhope, ND
Class B
Crane Lake, MN
Oak Island, MN
Class C
Grand Marais, MN
Silver Bay, MN
Taconite Harbor, MN
Two Harbors, MN
District No. 11-Kansas City, Missouri
Class A
Kansas City, MO
Class B
Wichita, KS
District No. 12-Seattle, Washington
Class A
Aberdeen, WA (the port of Aberdeen includes, among others, the port facilities at Raymond and South Bend, WA)
Anacortes, WA
Bellingham, WA
Blaine-Pacific Highway, WA
Blaine-Peach Arch, WA
Boundary, WA
Colville, WA
Danville, WA
Eastport, ID
Ferry, WA
Friday Harbor, WA (the port of Friday Harbor includes, among others, the port facilities at Roche Harbor, WA)
Frontier, WA
Kalama, WA
Laurier, WA
Longview, WA
Lynden, WA
Metaline Falls, WA
Neah Bay, WA
Olympia, WA
Oroville, WA
Point Roberts, WA
Port Angeles, WA
Port Townsend, WA
Porthill, WA
Seattle, WA (the port of Seattle includes, among others, the port facilities at Bangor, Blake Island, Bremerton, Eagle Harbor, Edmonds, Everett, Holmes Harbor, Houghton, Kennydale, Keyport, Kingston, Manchester, Mukilteo, Orchard Point, Point Wells, Port Gamble, Port Ludlow, Port Orchard, Poulsbo, Shuffleton, and Winslow, WA)
Sumas, WA
Tacoma, WA (the port of Tacoma includes, among others, the port facilities at Dupont, WA)
Vancouver, WA
Yakima, WA
Class B
Nighthawk, WA
District No. 13-San Francisco, California
Class A
San Francisco, CA (the port of San Francisco includes, among others, the port facilities at Antioch, Benicia, Martinez, Oakland, Pittsburgh, Port Chicago Concord Naval Weapon Station, Redwood City, Richmond, Sacramento, San Pablo Bay, and Stockton, CA)
Class C
Eureka, CA
District No. 14-San Antonio, Texas
Class A
Amistad Dam, TX
Corpus Christi, TX (the port of Corpus Christi includes, among others, the port facilities at Harbor Island, Ingleside, and Port Lavaca-Point Comfort, TX)
Del Rio, TX
Laredo, TX (the port of Laredo includes, among others, the port facilities at Colombia Bridge, Convent Bridge, and Lincoln-Juarez Bridge, TX)
Maverick, TX
District No. 15-El Paso, Texas
Class A
Columbus, NM
El Paso, TX (the port of El Paso includes, among others, the port facilities at Bridge of the Americas, Paso Del Norte Bridge, and Ysleta Bridge, TX)
Fabens, TX
Fort Hancock, TX
Presidio, TX
Santa Teresa, NM
Class B
Boquillas, TX
District No. 16-Los Angeles, California
Class A
Los Angeles, CA (the port of Los Angeles includes, among others, the port facilities at Long Beach, Ontario, Port Hueneme, San Pedro, and Ventura, CA)
San Luis Obispo, CA (the port of San Luis Obispo includes, among others, the port facilities at Avila, Estero Bay, El Capitan, Elwood, Gaviota, Morro Bay, and Santa Barbara, CA)
District No. 17-Honolulu, Hawaii
Class A
Agana, Guam, M.I (including the port facilities of Apra Harbor, Guam).
Honolulu, HI, Seaport (including all port facilities on the island of Oahu).
Rota, the Commonwealth of the Northern Mariana Islands.
Saipan, the Commonwealth of the Northern Mariana Islands.
Tinian, the Commonwealth of the Northern Mariana Islands.
Class C
Hilo, HI
Kahului, HI, Kahului Harbor
Nawiliwilli, HI, Nawiliwilli Harbor
Port Allen, HI, Port Allen Harbor
District No. 18-Phoenix, Arizona
Class A
Douglas, AZ
Lukeville, AZ
Mariposa, AZ
Morley Gate, AZ
Naco, AZ
Nogales, AZ
Sasabe, AZ
San Luis, AZ
District No. 19-Denver, Colorado
Class A
Denver, CO
Grand Junction, CO
Pueblo, CO
Salt Lake City, UT
District No. 20 [Reserved]
District No. 21-Newark, New Jersey
Class A
Camden, NJ (the port of Camden includes, among others, the port facilities at Artificial Island, Billingsport, Burlington, Cape May, Deepwater Point, Fisher's Point, Gibbstown, Gloucester City, Paulsboro, Salem, and Trenton, NJ)
Newark, NJ (the port of Newark includes, among others, the port facilities at Bayonne, Carteret, Edgewater, Elizabeth, Jersey City, Leonardo, Linden, Perth Amboy, Port Newark, and Sewaren, NJ)
District No. 22-Portland, Maine
Class A
Alburg, VT
Alburg Springs, VT
Bangor, ME (the port of Bangor includes, among others, the port facilities at Bar Harbor, Belfast, Brewer, Bucksport Harbor, Prospect Harbor, Sandypoint, Seal Harbor, Searsport, and South West Harbor, ME)
Beebe Plain, VT
Beecher Falls, VT
Bridgewater, ME
Calais, ME (includes Ferry Point and Milltown Bridges)
Canaan, VT
Coburn Gore, ME
Derby Line, VT
Eastport, ME
East Richford, VT
Fort Fairfield, ME
Fort Kent, ME
Hamlin, ME
Highgate Springs, VT
Houlton, ME
Jackman, ME
Limestone, ME
Lubec, ME
Madawaska, ME
Morses Line, VT
North Troy, VT
Norton, VT
Pittsburgh, NH
Portland, ME
Richford, VT (includes the Pinnacle Port-of-Entry)
* St. Albans, VT
Van Buren, ME
Vanceboro, ME
West Berkshire, VT
Class B
Daaquam, ME
Easton, ME
Eastcourt, ME
Forest City, ME
Monticello, ME
Orient, ME
Robinston, ME
St. Aurelie, ME
St. Pamphile, ME
Class C
Bath, ME
Boothbay Harbor, ME
Kittery, ME
Rockland, ME
Wiscasset, ME
District No. 23 [Reserved]
District No. 24-Cleveland, Ohio
Class A
Cincinnati, OH
Cleveland, OH
Columbus, OH
Put-In-Bay, OH
Sandusky, OH
Toledo, OH
Class C
Ashtabula, OH
Conneaut, OH
Fairport, OH
Huron, OH
Lorain, OH
Marblehead, OH
District No. 25-Washington, DC
Class A
Hopewell, VA
* Norfolk, VA-(the port of Norfolk includes, among others, the port facilities at Fort Monroe and Newport News, VA)
Richmond, VA
Washington, DC (includes the port facilities at Alexandria, VA)
Yorktown, VA
District No. 26-Atlanta, Georgia
Class A
Charleston, SC (the port of Charleston includes, among others, the port facilities at Georgetown and Port Royal, SC)
Mobile, AL
Savannah, GA (the port of Savannah includes, among others, the port facilities at Brunswick and St. Mary's Seaport, GA)
Wilmington, NC (the port of Wilmington includes the port facilities at Morehead City, NC)
District No. 27-San Juan, Puerto Rico
Class A
Aguadilla, PR
* Charlotte Amalie, St. Thomas, VI
Christiansted, St. Croix, VI
Cruz Bay, St. John, VI
Ensenada, PR
Federiksted, St. Croix, VI
Fajardo, PR
Humacao, PR
Jobos, PR
Mayaguez, PR
Ponce, PR
Red Hook, St. Thomas, VI
Class B
Coral Bay, St. John, VI
District No. 28-New Orleans, Louisiana
Class A
Baton Rouge, LA
Gulfport, MS
Lake Charles, LA
Memphis, TN
Nashville, TN
New Orleans, LA (the port of New Orleans includes, among others, the port facilities at Avondale, Bell Chasse, Braithwaite, Burnside, Chalmette, Destrahan, Geismar, Gramercy, Gretna, Harvey, Marrero, Norco, Port Sulphur, St. Rose, and Westwego, LA)
Class C
Morgan City, LA
Pascagoula, MS
District No. 29-Omaha, Nebraska
Class A
Omaha, NE
Des Moines, IA
District No. 30-Helena, Montana
Class A
Chief Mountain, MT (May-October)
Del Bonita, MT
Morgan, MT
Opheim, MT
Peigan, MT
Raymond, MT
Roosville, MT
Scobey, MT
Sweetgrass, MT
Turner, MT
Wildhorse, MT
Willow Creek, MT
Class B
Goat Haunt, MT
Trail Creek, MT
Whitlash, MT
District No. 31-Portland, Oregon
Class A
Astoria, OR (the port of Astoria includes, among others, the port facilities at Bradwood, Pacific City, Taft, Tilliamook, (including Bay City and Garibaldi), Warrenton, Wauna, and Westport, OR)
Coos Bay, OR (the port of Coos Bay includes, among others, the port facilities at Bandon, Brookings, Depoe Bay, Florence, Frankfort, Gold Beach, Newport (including Toledo), Port Orford, Reedsport, Waldport, and Yachats, OR)
Portland, OR (the port of Portland includes, among others, the port facilities at Beaver, Columbia City, Prescott, Rainier, and St. Helens, OR)
District No. 32-Anchorage, Alaska
Class A
Alcan, AK
Anchorage, AK (the port of Anchorage includes, among others (for out of port inspections only), Afognak, Barrow, Cold Bay, Cordova, Homer, Kodiak, Kotzebue, Nikiski, Seward, Valdez, and Yakutat, AK)
Dalton's Cache, AK
Dutch Harbor, AK
Fairbanks, AK
Gambell, AK
Juneau, AK
Ketchikan, AK
Nome, AK
Poker Creek, AK
Skagway, AK
Class B
Eagle, AK
Hyder, AK
Class C
Valdez, AK
District No. 38-Houston, Texas
Class A
Galveston, TX (the port of Galveston includes, among others, the port facilities at Freeport, Port Bolivar, and Texas City, TX)
Houston, TX (the port of Houston includes, among others, the port facilities at Baytown, TX)
Port Arthur, TX (the port of Port Arthur includes, among others, the port facilities at Beaumont, Orange, and Sabine, TX)
District No. 39-San Diego, California
Class A
Andrade, CA
Calexico, CA
Otay Mesa, CA
San Ysidro, CA (including the Cross Border Xpress (CBX) facility)
Tecate, CA
District No. 40-Harlingen, Texas
Class A
Brownsville, TX (the port of Brownsville includes, among others, the port facilities at Brownsville Seaport, Port Isabel, Padre Island and Harlingen, TX, Ship Channel)
Brownsville, TX, Gateway Bridge and Brownsville/Matamoros Bridge
Falcon Heights, TX
Hidalgo, TX
Los Ebanos, TX
Los Indios, TX
Pharr, TX
Progreso, TX
Rio Grande City, TX
Roma, TX
District No. 1 [Reserved]
District No. 2-Boston, Massachusetts
Boston, MA, Logan International Airport
Manchester, NH, Grenier Airport
Portsmouth, NH, Pease Air Force Base
Warwick, RI, T. F. Greene Airport
Windsor Locks, CT, Bradley International Airport
District No. 3-New York City, New York
Newburgh, NY, Stewart International Airport
Queens, NY, LaGuardia Airport
Westchester, NY, Westchester County Airport
District No. 4-Philadelphia, Pennsylvania
Charlestown, WV, Kanahwa Airport
Dover, DE, Dover Air Force Base
Erie, PA, Erie International Airport (USCS)
Harrisburg, PA, Harrisburg International Airport
Philadelphia, PA, Philadelphia International Airport
Pittsburgh, PA, Pittsburgh International Airport
District No. 5-Baltimore, Maryland
Baltimore, MD, Baltimore-Washington International Airport
District No. 6-Miami, Florida
Daytona, FL, Daytona International Airport, FL
Fort Lauderdale, FL, Executive Airport
Fort Lauderdale, FL, Fort Lauderdale-Hollywood Airport
Fort Myers, FL, Southwest Regional International Airport
Freeport, Bahamas, Freeport International Airport
Jacksonville, FL, Jacksonville International Airport
Key West, FL, Key West International Airport
Melbourne, FL, Melbourne International Airport
Miami, FL, Chalks Flying Service Seaplane Base
Miami, FL, Miami International Airport
Nassau, Bahamas, Nassau International Airport
Orlando, FL, Orlando International Airport
Palm Beach, FL, Palm Beach International Airport
Paradise Island, Bahamas, Paradise Island Airport
Sanford, FL, Sanford International Airport
Sarasota, FL, Sarasota Airport
St. Petersburg, FL, St. Petersburg/Clearwater International Airport
Tampa, FL, Tampa International Airport
District No. 7-Buffalo, New York
Albany, NY, Albany County Airport
Buffalo, NY, Buffalo Airport
Massena, NY, Massena Airport
Niagara Falls, NY, Niagara Falls International Airport
Ogdensburg, NY, Ogdensburg Municipal Airport
Rochester, NY, Rochester Airport
Syracuse, NY, Hancock International Airport
Watertown, NY, Watertown Municipal Airport
District No. 8-Detroit, Michigan
Battle Creek, MI, Battle Creek Airport
Chippewa, MI, Chippewa County International Airport
Detroit, MI, Detroit City Airport
Detroit, MI, Detroit Metropolitan Wayne County Airport
Port Huron, MI, St. Clair County International Airport
Sault Ste. Marie, MI, Sault Ste. Marie Airport
District No. 9-Chicago, Illinois
Chicago, IL, Chicago Midway Airport
Chicago, IL, Chicago O'Hare International Airport
Indianapolis, IN, Indianapolis International Airport
Mitchell, WI, Mitchell International Airport
District No. 10-St. Paul, Minnesota
Baudette, MN, Baudette International Airport
Duluth, MN, Duluth International Airport
Duluth, MN, Sky Harbor Airport
Grand Forks, ND, Grand Forks International Airport
International Falls, MN, Falls International Airport
Minneapolis/St. Paul, MN, Minneapolis/St. Paul International Airport
Minot, ND, Minot International Airport
Pembina, ND, Port Pembina Airport
Portal, ND, Portal Airport
Ranier, MN, International Seaplane Base
Warroad, MN, Warroad International Airport
Williston, ND, Sioulin Field (Municipal)
District No. 11-Kansas City, Missouri
Kansas City, MO, Kansas City International Airport
Springfield, MO, Springfield Regional Airport
St. Louis, MO, St. Louis Lambert International Airport
St. Louis, MO, Spirit of St. Louis Airport
District No. 12-Seattle, Washington
Bellingham, WA, Bellingham Airport
Friday Harbor, WA, Friday Harbor
McChord, WA, McChord Air Force Base
Oroville, WA, Dorothy Scott Municipal Airport
Oroville, WA, Dorothy Scott Seaplane Base
Point Roberts, WA, Point Roberts Airport
Port Townsend, WA, Jefferson County International Airport
SEA-TAC, WA, SEA-TAC International Airport
Seattle, WA, Boeing Municipal Air Field
Seattle, WA, Lake Union
Spokane, WA, Felts Field
Spokane, WA, Spokane International Airport
District No. 13-San Francisco, California
Alameda, CA, Alemeda Naval Air Station
Oakland, CA, Oakland International Airport
Sacramento, CA, Beale Air Force Base
San Francisco, CA, San Francisco International Airport
San Jose, CA, San Jose International Airport
Travis, CA, Travis Air Force Base
District No. 14-San Antonio, Texas
Austin, TX, Austin International Airport
Corpus Christi, TX, Corpus Christi Airport
Del Rio, TX, Del Rio International Airport
Laredo, TX, Laredo International Airport
Maverick, TX, Maverick County Airport
San Antonio, TX, San Antonio International Airport
District No. 15-El Paso, Texas
Albuquerque, NM, Albuquerque International Airport
El Paso, TX, International Airport
Presidio, TX, Presidio Airport
Santa Teresa, NM, Santa Teresa Airport
District No. 16-Los Angeles, California
Los Angeles, CA, Los Angeles International Airport
Ontario, CA, Ontario International Airport
District No. 17-Honolulu, Hawaii
Agana, Guam, Guam International Airport Terminal.
Honolulu, HI, Honolulu International Airport.
Honolulu, HI, Hickam Air Force Base.
Rota, the Commonwealth of the Northern Mariana Islands.
Saipan, the Commonwealth of the Northern Mariana Islands.
Tinian, the Commonwealth of the Northern Mariana Islands.
District No. 18-Phoenix, Arizona
Douglas, AZ, Bisbee-Douglas Airport
Las Vegas, NV, McCarren International Airport
Nogales, AZ, Nogales International Airport
Phoenix, AZ, Phoenix Sky Harbor International Airport
Reno, NV, Reno Carron International Airport
Tucson, AZ, Tucson International Airport
Yuma, AZ, Yuma International Airport
District No. 19-Denver, Colorado
Colorado Springs, CO, Colorado Springs Airport
Denver, CO, Denver International Airport
Salt Lake City, UT, Salt Lake City Airport
District No. 20-Dallas, Texas
Dallas, TX, Dallas-Fort Worth International Airport
Oklahoma City, OK, Oklahoma City Airport (includes Altus and Tinker AFBs)
District No. 21-Newark, New Jersey
Atlantic City, NJ, Atlantic City International Airport
Lakehurst, NJ, Lakehurst Naval Air Station
Morristown, NJ, Morristown Airport
Newark, NJ, Newark International Airport
Newark, NJ, Signature Airport
Teterboro, NJ, Teterboro Airport
Wrightstown, NJ, McGuire Air Force Base
District No. 22-Portland, Maine
Bangor, ME, Bangor International Airport
Burlington, VT, Burlington International Airport
Caribou, ME, Caribou Municipal Airport
Highgate Springs, VT, Franklin County Regional Airport
Newport, VT, Newport State Airport
District No. 23 [Reserved]
District No. 24-Cleveland, Ohio
Akron, OH, Municipal Airport
Cincinnati, OH, Cincinnati International Airport
Cleveland, OH, Cleveland Hopkins Airport
Columbus, OH, Port Columbus International Airport
Sandusky, OH, Griffing/Sandusky Airport
District No. 25-Washington, D.C.
Camp Springs, MD, Andrews Air Force Base
Chantilly, VA, Washington Dulles International Airport
Winchester, VA, Winchester Airport
District No. 26-Atlanta, Georgia
Atlanta, GA, Atlanta Hartsfield International Airport
Charleston, SC, Charleston International Airport
Charleston, SC, Charleston Air Force Base
Charlotte, NC, Charlotte International Airport
Raleigh, NC, Raleigh-Durham International Airport
Savannah, GA, Savannah International Airport
District No. 27-San Juan, Puerto Rico
San Juan, PR, San Juan International Airport
District No. 28-New Orleans, Louisiana
Louisville, KY, Louisville International Airport
New Orleans, LA, New Orleans International Airport
Memphis, TN, Memphis International Airport
Nashville, TN, Nashville International Airport
District No. 29-Omaha, Nebraska
Des Moines, IA, Des Moines International Airport
Omaha, NE, Eppley International Airport
Omaha, NE, Offutt Air Force Base
District No. 30-Helena, Montana
Billings, MT, Billings Airport
Boise, ID, Boise Airport
Cut Bank, MT, Cut Bank Airport
Glasgow, MT, Glasgow International Airport
Great Falls, MT, Great Falls International Airport
Havre, MT, Havre-Hill County Airport
Helena, MT, Helena Airport
Kalispel, MT, Kalispel Airport
Missoula, MT, Missoula Airport
District No. 31-Portland, Oregon
Medford, OR, Jackson County Airport
Portland, OR, Portland International Airport
District No. 32-Anchorage, Alaska
Anchorage, AK, Anchorage International Airport
Juneau, AK, Juneau Airport (Seaplane Base Only)
Juneau, AK, Juneau Municipal Airport
Ketchikan, AK, Ketchikan Airport
Wrangell, AK, Wrangell Seaplane Base
District No. 38-Houston, Texas
Galveston, TX, Galveston Airport
Houston, TX, Ellington Field
Houston, TX, Hobby Airport
Houston, TX, Houston Intercontinental Airport
District No. 39-San Diego, California
Calexico, CA, Calexico International Airport
San Diego, CA, San Diego International Airport
San Diego, CA, San Diego Municipal Airport (Lindbergh Field)
District No. 40-Harlingen, Texas
Brownsville, TX, Brownsville/South Padre Island International Airport
Harlingen, TX, Valley International Airport
McAllen, TX, McAllen Miller International Airport
Sector No. 1-Houlton, Maine
Calais, ME
Fort Fairfield, ME
Houlton, ME
Jackman, ME
Rangeley, ME
Van Buren, ME
Sector No. 2-Swanton, Vermont
Beecher Falls, VT
Burke, NY
Champlain, NY
Massena, NY
Newport, VT
Ogdensburg, NY
Richford, VT
Swanton, VT
Sector No. 3-Ramey, Puerto Rico
Ramey, Puerto Rico
Sector No. 4-Buffalo, New York
Buffalo, NY
Fulton, NY
Niagara Falls, NY
Watertown, NY
Sector No. 5-Detroit, Michigan
Detroit, MI
Grand Rapids, MI
Port Huron, MI
Sault Ste. Marie, MI
Trenton, MI
Sector No. 6-Grand Forks, North Dakota
Bottineau, ND
Duluth, MN
Grand Forks, ND
Grand Marais, MN
International Falls, MN
Pembina, ND
Portal, ND
Warroad, MN
Sector No. 7-Havre, Montana
Billings, MT
Havre, MT
Malta, MT
Plentywood, MT
Scobey, MT
Shelby, MT
St. Mary, MT
Sweetgrass, MT
Twin Falls, ID
Sector No. 8-Spokane, Washington
Bonners Ferry, ID
Colville, WA
Eureka, MT
Oroville, WA
Pasco, WA
Spokane, WA
Wenatchee, WA
Whitefish, MT
Sector No. 9-Blaine, Washington
Bellingham, WA
Blaine, WA
Lynden, WA
Port Angeles, WA
Roseburg, OR
Sector No. 10-Livermore, California
Bakersfield, CA
Fresno, CA
Livermore, CA
Oxnard, CA
Sacramento, CA
Salinas, CA
San Luis Obispo, CA
Stockton, CA
Sector No. 11-San Diego, California
Brown Field, CA
Campo, CA (Boulevard, CA)
Chula Vista, CA
El Cajon, CA (San Marcos and Julian, CA)
Imperial Beach, CA
San Clemente, CA
Temecula, CA
Sector No. 12-El Centro, California
Calexico, CA
El Centro, CA
Indio, CA
Riverside, CA
Sector No. 13-Yuma, Arizona
Blythe, CA
Boulder City, NV
Wellton, AZ
Yuma, AZ
Sector No. 14-Tucson, Arizona
Ajo, AZ
Casa Grande, AZ
Douglas, AZ
Naco, AZ
Nogales, AZ
Phoenix, AZ
Sonita, AZ
Tucson, AZ
Willcox, AZ
Sector No. 15-El Paso, Texas
Alamogordo, NM
Albuquerque, NM
Carlsbad, NM
Deming, NM
El Paso, TX
Fabens, TX
Fort Hancock, TX
Las Cruces, NM,
Lordsburg, NM
Truth or Consequences, NM
Ysleta, TX
Sector No. 16-Marfa, Texas
Alpine, TX
Amarillo, TX
Fort Stockton, TX
Lubbock, TX
Marfa, TX
Midland, TX
Pecos, TX
Presidio, TX
Sanderson, TX
Sierra Blanca, TX
Van Horn, TX
Sector No. 17-Del Rio, Texas
Abilene, TX
Brackettville, TX
Carrizo Springs, TX
Comstock, TX
Del Rio, TX
Eagle Pass, TX
Llano, TX
Rocksprings, TX
San Angelo, TX
Uvalde, TX
Sector No. 18-Laredo, Texas
Cotulla, TX
Dallas, TX
Freer, TX
Hebbronville, TX
Laredo North, TX
Laredo South, TX
San Antonio, TX
Zapata, TX
Sector No. 19-McAllen, Texas
Brownsville, TX
Corpus Christi, TX
Falfurrias, TX
Harlingen, TX
Kingsville, TX
McAllen, TX
Mercedes, TX
Port Isabel, TX
Rio Grande City, TX
Sector No. 20-New Orleans, Louisiana
Baton Rouge, LA
Gulfport, MS
Lake Charles, LA
Little Rock, AR
Miami, OK
Mobile, AL
New Orleans, LA
Sector No. 21-Miami, Florida
Jacksonville, FL
Orlando, FL
Pembroke Pines, FL
Tampa, FL
West Palm Beach, FL
8 C.F.R. §100.4