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: 803

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-803 A McAllen TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2025-02-11   
956-803 0 McAllen TX   793K TWC IP ENABLED SERVICES, LLC 568   2015-10-11   
956-803 1 McAllen TX   793K TWC IP ENABLED SERVICES, LLC 568   2016-03-04   
956-803 2 McAllen TX   4290 STPCS JOINT VENTURE, LLC 568   2016-05-09   
956-803 3 McAllen TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2016-04-23   
956-803 4 McAllen TX   776A VTX COMMUNICATIONS, LLC 568   2016-07-25   
956-803 5 McAllen TX   5562 METROPCS, INC. 568   2018-02-28   
956-803 6 McAllen TX   5562 METROPCS, INC. 568   2017-04-12   
956-803 7 McAllen TX   5562 METROPCS, INC. 568   2018-02-28   
956-803 8 McAllen TX   197D VONAGE AMERICA LLC 568   2018-12-01   
956-803 9 McAllen TX   197D VONAGE AMERICA LLC 568   2018-12-01   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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