Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-437 A Fairfield-Suisun CA SUISCA11DS0  9740 PACIFIC BELL 722      
707-437 0 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 1 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 2 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 3 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 4 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 5 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 6 Fairfield-Suisun CA   6529 T-MOBILE USA, INC. 722   2015-03-25   
707-437 7 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 8 Fairfield-Suisun CA   9740 PACIFIC BELL 722      
707-437 9 Fairfield-Suisun CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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