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: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-434 A Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 0 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 1 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 2 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 3 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 4 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 5 Austin TX   490J BOOST SUBSCRIBERCO L.L.C. 558   2026-04-13   
737-434 6 Austin TX   490J BOOST SUBSCRIBERCO L.L.C. 558   2026-06-16   
737-434 7 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2026-04-17   
737-434 8 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2026-04-17   
737-434 9 Austin TX   903C ONVOY, LLC - TX 558   2026-04-13   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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