Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: PRMTCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-220 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-237 A La Habra CA 7480 PACIFIC BELL - CLEC 730      
562-259 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-272 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-345 A Norwalk CA 7480 PACIFIC BELL - CLEC 730      
562-346 A Alamitos CA 7480 PACIFIC BELL - CLEC 730      
562-347 A Whittier CA 7480 PACIFIC BELL - CLEC 730      
562-408 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-529 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-531 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-601 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-602 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-630 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-633 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-634 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-641 A Pico Rivera CA 7480 PACIFIC BELL - CLEC 730      
562-657 A Downey CA 7480 PACIFIC BELL - CLEC 730      
562-658 A Downey CA 7480 PACIFIC BELL - CLEC 730      
562-663 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-766 A Lakewood CA 7480 PACIFIC BELL - CLEC 730      
562-790 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-808 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
562-817 A Compton: Compton DA CA 9740 PACIFIC BELL 730      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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