Section 6-80-66 - Number changes(a) When a customer's telephone number is changed after a directory is published, the responsible telecommunications carrier shall, unless the customer directs otherwise, intercept all calls to the former number as specified in § 6-80-67.(b) When the telephone number of a customer or group of customers is changed because of plant additions, plant changes, or changes to other carrier operations, the responsible telecommunications carrier shall give reasonable notice to all affected customers even though the change may occur at the same time a new directory is issued.[Eff ] (Auth: HRS §§ 269-6, 269-34 to 43) (Imp: HRS §§ 269-34 to 43)