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.

San Diego, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
361-209 A CRCHTXBBBMD  516C AT&T CORP. 564      
361-209 0 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2016-09-27   
361-209 1 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2016-09-27   
361-209 2 CRCHTXTUXJY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2017-01-17   
361-209 3 CRCHTXTUXJY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2017-01-17   
361-209 4 CRCHTX93X8Y  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 564   2013-11-23   
361-209 5 CRCHTXBBBMD  516C AT&T CORP. 564   2011-11-09   
361-209 6 CRCHTXTUXWY  7575 CENTURYLINK COMMUNICATIONS LLC 564   2016-05-22   
361-209 7 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2016-04-11   
361-209 8 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2016-04-11   
361-209 9 CRCHTX93XAY  776A VTX COMMUNICATIONS, LLC 564   2017-05-05   
361-279 A SNDGTXSDRS0  9533 SOUTHWESTERN BELL 564      
361-279 0 CRCHTXTUX9Y  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 564   2009-01-19   
361-279 1 SNDGTXSDRS0  9533 SOUTHWESTERN BELL 564      
361-279 2 SNDGTXSDRS0  9533 SOUTHWESTERN BELL 564      
361-279 3 SNDGTXSDRS0  9533 SOUTHWESTERN BELL 564      
361-279 4 CRCHTXTUXCY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 564   2005-11-11   
361-279 5 CRCHTXTUXCY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 564   2011-01-14   
361-279 6 SNDGTXSDRS0  9533 SOUTHWESTERN BELL 564      
361-279 7 SNDGTXSDRS0  9533 SOUTHWESTERN BELL 564      
361-279 8 SNDGTXSDRS0  9533 SOUTHWESTERN BELL 564      
361-279 9 CRCHTXTUXJY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2009-05-15   
361-366 A CRCHTXTUX5Y  903C ONVOY, LLC - TX 564      
361-366 0 CRCHTXTUXJY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2019-09-09   
361-366 1 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2020-11-22   
361-366 2 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2020-11-22   
361-366 3 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2018-10-29   
361-366 4 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2018-10-29   
361-366 5 CRCHTXTUXHZ  566J RADIANTIQ LLC 564   2021-02-17   
361-366 6 CRCHTXTUXJY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2020-10-24   
361-366 7 CRCHTXTUXJY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2020-10-24   
361-366 8 CRCHTXTUXJY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2020-10-24   
361-366 9 CRCHTXTUX3Y  004F BANDWIDTH.COM CLEC, LLC - TX 564   2020-04-11   
361-899 A   965H FRACTEL LLC 564   2021-03-15   
361-899 0   073H TELNYX LLC 564   2021-04-08   
361-899 9   965H FRACTEL LLC 564   2021-03-15   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.