Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-312 A Kyle TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-312 0 Kyle TX   624H ONVOY SPECTRUM, LLC 558   2022-01-09   
737-312 1 Kyle TX   624H ONVOY SPECTRUM, LLC 558   2022-01-09   
737-312 2 Kyle TX   903C ONVOY, LLC - TX 558   2022-01-01   
737-312 3 Kyle TX   903C ONVOY, LLC - TX 558   2022-01-01   
737-312 4 Kyle TX   903C ONVOY, LLC - TX 558   2022-01-01   
737-312 5 Kyle TX   903C ONVOY, LLC - TX 558   2022-01-09   
737-312 6 Kyle TX   903C ONVOY, LLC - TX 558   2022-01-09   
737-312 7 Kyle TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-01-02   
737-312 8 Kyle TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-01-02   
737-312 9 Kyle TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-01-02   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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