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: 673

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-673 A Pharr TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-673 0 Pharr TX   903C ONVOY, LLC - TX 568   2021-11-25   
956-673 1 Pharr TX   624H ONVOY SPECTRUM, LLC 568   2021-11-14   
956-673 2 Pharr TX   903C ONVOY, LLC - TX 568   2021-11-14   
956-673 3 Pharr TX   903C ONVOY, LLC - TX 568   2021-11-14   
956-673 4 Pharr TX   903C ONVOY, LLC - TX 568   2021-11-14   
956-673 5 Pharr TX   624H ONVOY SPECTRUM, LLC 568   2021-11-14   
956-673 6 Pharr TX   624H ONVOY SPECTRUM, LLC 568   2021-06-26   
956-673 7 Pharr TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2021-06-21   
956-673 8 Pharr TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2021-06-21   
956-673 9 Pharr TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2021-06-21   

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

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