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.

Lafayette, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-282 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-282 0   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-08-21   
925-282 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-22   
925-282 2   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2003-09-30   
925-282 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-03-02   
925-282 4   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2022-11-18   
925-282 5   6529 T-MOBILE USA, INC. 722   2019-01-12   
925-282 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-282 7   9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-22   
925-282 8   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-06-26   
925-282 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-01-04   
925-283 A LFYTCA11DS0  9740 PACIFIC BELL 722      
925-284 A LFYTCA11DS0  9740 PACIFIC BELL 722      
925-297 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-297 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-297 1   649C ONVOY, LLC - CA 722   2016-10-27   
925-297 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-12-07   
925-297 3   553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
925-297 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
925-297 5   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
925-297 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-01-05   
925-297 7   6529 T-MOBILE USA, INC. 722   2002-12-22   
925-297 8   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-05-29   
925-297 9   6529 T-MOBILE USA, INC. 722   2002-12-01   
925-298 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-298 0   073H TELNYX LLC 722   2017-06-12   
925-298 1   073H TELNYX LLC 722   2021-10-17   
925-298 2   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-19   
925-298 3   649C ONVOY, LLC - CA 722   2023-10-29   
925-298 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
925-298 5   318J COMCAST IP PHONE, LLC 722   2013-08-11   
925-298 6   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2012-01-12   
925-298 7   649C ONVOY, LLC - CA 722   2009-12-19   
925-298 8   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2011-09-15   
925-298 9   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-299 A LFYTCA11DS0  9740 PACIFIC BELL 722      
925-310 A OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-310 0   649C ONVOY, LLC - CA 722   2023-10-29   
925-310 1   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-310 2   649C ONVOY, LLC - CA 722   2007-09-07   
925-310 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-10-11   
925-310 4   318J COMCAST IP PHONE, LLC 722   2009-03-20   
925-310 5   981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-04   
925-310 6   649C ONVOY, LLC - CA 722   2012-12-30   
925-310 7   649C ONVOY, LLC - CA 722   2013-09-20   
925-310 8   649C ONVOY, LLC - CA 722   2012-12-30   
925-310 9   649C ONVOY, LLC - CA 722   2012-12-30   
925-385 A SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-385 0   318J COMCAST IP PHONE, LLC 722      
925-385 1   145J TERRA NOVA TELECOM INC. 722   2022-11-03   
925-385 2   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-385 3   433E SONIC TELECOM, LLC - CA 722   2012-12-22   
925-385 4   649C ONVOY, LLC - CA 722   2023-10-29   
925-385 5   145J TERRA NOVA TELECOM INC. 722   2021-09-29   
925-385 6   981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-13   
925-385 7   516C AT&T CORP. 722   2008-08-29   
925-385 8   981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-14   
925-385 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-06-27   
925-403 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 1   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-403 2   318J COMCAST IP PHONE, LLC 722   2019-05-09   
925-403 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-04-01   
925-403 4   649C ONVOY, LLC - CA 722   2014-09-22   
925-403 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-444 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-444 0   981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-14   
925-444 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-444 2   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-444 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-444 4   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-444 5   6529 T-MOBILE USA, INC. 722   2013-09-05   
925-444 6   515J IP HORIZON LLC 722   2016-09-15   
925-444 7   649C ONVOY, LLC - CA 722   2016-02-25   
925-444 8   649C ONVOY, LLC - CA 722   2016-02-25   
925-444 9   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-531 A OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-01-27   
925-531 0   624H ONVOY SPECTRUM, LLC 722   2024-01-27   
925-531 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-26   
925-871 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-871 0   649C ONVOY, LLC - CA 722      
925-871 1   981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-871 2   145J TERRA NOVA TELECOM INC. 722   2024-12-30   
925-871 3   649C ONVOY, LLC - CA 722      
925-871 4   649C ONVOY, LLC - CA 722      
925-871 5   649C ONVOY, LLC - CA 722      
925-871 6   649C ONVOY, LLC - CA 722   2006-03-12   
925-871 7   508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
925-871 8   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-04-29   
925-871 9   6529 T-MOBILE USA, INC. 722   2015-12-18   
925-878 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-878 1   6529 T-MOBILE USA, INC. 722      
925-878 2   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-01-23   
925-878 3   6529 T-MOBILE USA, INC. 722   2023-10-27   
925-878 4   6529 T-MOBILE USA, INC. 722   2023-09-08   
925-878 5   6529 T-MOBILE USA, INC. 722      
925-878 6   6529 T-MOBILE USA, INC. 722   2023-07-24   

1 2 >>

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.