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: 396

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-396 A Falcon Heights TX HRLNTXATYMD  516C AT&T CORP. 568      
956-396 0 Falcon Heights TX   903C ONVOY, LLC - TX 568   2017-05-03   
956-396 1 Falcon Heights TX   073H TELNYX LLC 568   2021-03-14   
956-396 2 Falcon Heights TX   903C ONVOY, LLC - TX 568   2020-08-24   
956-396 3 Falcon Heights TX   903C ONVOY, LLC - TX 568   2020-08-24   
956-396 4 Falcon Heights TX   903C ONVOY, LLC - TX 568   2021-03-18   
956-396 5 Falcon Heights TX   073H TELNYX LLC 568   2022-03-25   
956-396 6 Falcon Heights TX   624H ONVOY SPECTRUM, LLC 568   2021-06-24   
956-396 7 Falcon Heights TX   516C AT&T CORP. 568   2012-01-01   
956-396 8 Falcon Heights TX   903C ONVOY, LLC - TX 568   2021-10-09   
956-396 9 Falcon Heights TX   4866 SMARTCOM TELEPHONE, LLC 568   2022-07-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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