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.

Fairfield-Suisun, CA

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
707-420 1 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-420 2 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-420 3 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-420 4 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-420 5 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-420 6 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-420 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2012-01-07   
707-420 8 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-420 9 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-421 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-422 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-423 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-424 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-425 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-426 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 0 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 1 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 2 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 3 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 4 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 5 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 6 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 7 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 8 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-427 9 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
707-428 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-429 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-430 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
707-430 0 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
707-430 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-10-16   
707-430 2 OKLECAZVGT0  5562 METROPCS, INC. 722   2011-06-10   
707-430 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-08-02   
707-430 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2006-08-03   
707-430 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-03-29   
707-430 6 OKLECAZVGT0  5562 METROPCS, INC. 722   2005-11-10   
707-430 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-08-02   
707-430 8 OKLECAZVGT0  5562 METROPCS, INC. 722   2005-11-10   
707-430 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-04   
707-432 A FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 0 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 1 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 2 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 3 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 4 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 5 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 6 SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2022-10-31   
707-432 7 FRFDCA01DS1  9740 PACIFIC BELL 722      
707-432 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-08-09   
707-432 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-12-21   

<< 1 2 3 4 5 6 7 8 9 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.