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.

Harlingen, TX

1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
956-200 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-200 0 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-07-02   
956-200 1 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-06-14   
956-200 2 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-06-14   
956-200 3 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 9 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-202 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-202 0 MCALTX930MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2006-05-13   
956-202 1 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-202 2 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-202 3 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-202 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-12-03   
956-202 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-202 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-11-07   
956-202 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-11-07   
956-202 8 MCALTX96HMD  7399 WESTEL, INC. - TX 568   2008-04-13   
956-202 9 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-216 A MCALTXHBDS0  4866 SMARTCOM TELEPHONE, LLC 568      
956-226 A HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-226 0 HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-226 1 HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2013-02-23   
956-226 2 HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2013-02-23   
956-226 3 HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-06-20   
956-226 4 HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-01-04   
956-226 5 HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-01-04   
956-226 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-28   
956-226 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-28   
956-226 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-28   
956-226 9 HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-10-03   
956-228 A HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-230 A HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2025-02-11   
956-230 0 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568      
956-230 1 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568      
956-230 2 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568      
956-230 3 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568      
956-230 4 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568      
956-230 5 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568      
956-230 6 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2012-04-22   
956-230 7 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2012-08-16   
956-230 8 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2015-04-13   
956-230 9 HRLNTXFPDMD  776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-244 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 0 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 1 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 2 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 3 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-244 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-03-19   
956-244 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-05-03   
956-244 9 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-245 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-264 A HRLNTXHGFMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568      
956-264 0 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 1 HRLNTXHG8MD  073H TELNYX LLC 568   2020-12-04   
956-264 2 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 3 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-09-26   
956-264 9 HRLNTXHGFMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2003-09-19   
956-275 A HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-275 0 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 1 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 2 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 3 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 4 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 5 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 6 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 7 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-275 8 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-07   
956-275 9 HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-08   
956-281 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-281 0 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2018-08-20   
956-281 1 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-12-02   
956-281 2 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-12-02   
956-281 3 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-12-02   
956-281 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-12-02   
956-281 5 HRLNTXDU2MD  939H COMMIO, LLC 568   2021-08-30   
956-281 6 HRLNTXDU2MD  939H COMMIO, LLC 568   2021-08-30   
956-281 7 HRLNTXDU2MD  939H COMMIO, LLC 568   2021-08-30   
956-281 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-12-03   
956-281 9 HRLNTXDU2MD  939H COMMIO, LLC 568   2021-08-30   
956-291 A HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-291 0 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2017-08-12   
956-291 1 HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-291 2 HRLNTXKX8MD  5562 METROPCS, INC. 568   2016-07-19   
956-291 3 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2017-08-12   
956-291 4 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2018-09-29   
956-291 5 HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-291 6 HRLNTXATTMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2017-04-13   
956-291 7 HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2016-04-18   

1 2 3 4 5 6 7 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.