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: 415

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-415 A Austin TX   515J IP HORIZON LLC 558   2025-04-25   
737-415 0 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-09-06   
737-415 1 Austin TX   515J IP HORIZON LLC 558   2025-04-25   
737-415 2 Austin TX   515J IP HORIZON LLC 558   2025-04-25   
737-415 3 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-09-06   
737-415 4 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-09-06   
737-415 5 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-09-06   
737-415 6 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2025-04-28   
737-415 7 Austin TX   903C ONVOY, LLC - TX 558   2025-09-27   
737-415 8 Austin TX   903C ONVOY, LLC - TX 558   2025-09-27   
737-415 9 Austin TX   903C ONVOY, LLC - TX 558   2025-09-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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