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.

Rio Grande City, TX

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
956-256 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 0 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 3 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 0 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 1 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 2 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-257 3 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-257 4 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-257 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 8 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-257 9 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-263 A   5562 METROPCS, INC. 568      
956-263 0 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-263 1   793K TWC IP ENABLED SERVICES, LLC 568      
956-263 2 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-263 3 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-263 4 HRLNTXHGBMD  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568      
956-263 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-263 6 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-263 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-263 9 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-317 A HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-317 0 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-317 1   793K TWC IP ENABLED SERVICES, LLC 568      
956-317 2 MCALTXHBDS0  4866 SMARTCOM TELEPHONE, LLC 568      
956-317 3 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-317 4 HRLNTXHGFMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568      
956-317 5 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-317 6   145J TERRA NOVA TELECOM INC. 568      
956-317 7 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-317 8 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-317 9 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-352 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-352 0 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-352 1   793K TWC IP ENABLED SERVICES, LLC 568      
956-352 2 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-352 3 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-352 4 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-352 5 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-352 6   793K TWC IP ENABLED SERVICES, LLC 568      
956-352 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-352 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-352 9 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-370 A HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-370 0 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-370 1 HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-370 2 RMVLTXXBRS0  776A VTX COMMUNICATIONS, LLC 568      
956-370 3 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-370 4 MCALTX930MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568      
956-370 5 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-370 6   793K TWC IP ENABLED SERVICES, LLC 568      
956-370 7 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-370 8 HRLNTXHG8MD  073H TELNYX LLC 568      
956-370 9 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-416 A HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-416 0 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-416 1 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-416 2 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-416 3 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-416 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-416 5 HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-416 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-416 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-416 9 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-476 A HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 0 MCALTX935MD  073H TELNYX LLC 568      
956-476 1 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-476 2 HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 3 HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 4 HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 5 HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 6 HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 7 HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 8 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-476 9 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-487 A RGCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-488 A RGCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-500 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 0 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 1 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 2 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 3 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 4 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 5 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 6 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 7 HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-500 8 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-500 9 HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-573 A RGCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-573 0 RGCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      

1 2 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.