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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: WLANCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA Eff date Disc date Map
310-201 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-203 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-226 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-229 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-255 A Santa Monica: Santa Monica DA CA 7480 PACIFIC BELL - CLEC 730     map
310-277 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-282 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-284 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-286 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-407 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-481 A West Los Angeles CA 7480 PACIFIC BELL - CLEC 730     map
310-482 A Santa Monica: Mar Vista DA CA 7480 PACIFIC BELL - CLEC 730     map
310-551 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-552 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-553 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-556 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-557 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-712 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-772 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-785 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-788 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-789 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-843 A Beverly Hills CA 9740 PACIFIC BELL 730     map
310-865 A Santa Monica: Santa Monica DA CA 7480 PACIFIC BELL - CLEC 730     map
310-983 A West Los Angeles CA 7480 PACIFIC BELL - CLEC 730     map
323-879 A Los Angeles: DA 13 CA 9740 PACIFIC BELL 730     map
424-288 A Beverly Hills CA 9740 PACIFIC BELL 730 2006-11-26    map

Last updated: Wed, 30 Aug 2017 11:37:56 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.