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: 928

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-928 A Cobb Mountain CA CBMTCA11RS0  9740 PACIFIC BELL 722      
707-928 0 Cobb Mountain CA   9740 PACIFIC BELL 722      
707-928 1 Cobb Mountain CA   9740 PACIFIC BELL 722      
707-928 3 Cobb Mountain CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2025-05-08   
707-928 4 Cobb Mountain CA   9740 PACIFIC BELL 722      
707-928 5 Cobb Mountain CA   9740 PACIFIC BELL 722      
707-928 6 Cobb Mountain CA   145J TERRA NOVA TELECOM INC. 722   2021-01-06   
707-928 7 Cobb Mountain CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
707-928 8 Cobb Mountain CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-09-27   
707-928 9 Cobb Mountain CA   9740 PACIFIC BELL 722      

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

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