Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-997 A Mission TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2025-02-11   
956-997 0 Mission TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2015-11-29   
956-997 1 Mission TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-11-30   
956-997 2 Mission TX HRLNTXFPDMD  776A VTX COMMUNICATIONS, LLC 568   2016-07-25   
956-997 3 Mission TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 4 Mission TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 5 Mission TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 6 Mission TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 7 Mission TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2018-10-05   
956-997 8 Mission TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2019-04-23   
956-997 9 Mission TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2019-04-23   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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