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: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-537 A Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-537 0 Lampasas TX   515J IP HORIZON LLC 558   2021-06-05   
737-537 1 Lampasas TX AUSTTXGR42Z  073H TELNYX LLC 558   2021-03-20   
737-537 2 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-01   
737-537 3 Lampasas TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2022-02-13   
737-537 4 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-01   
737-537 6 Lampasas TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-11-03   
737-537 7 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-23   
737-537 8 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-23   
737-537 9 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-01   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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