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: 432

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-432 A Leander TX   903C ONVOY, LLC - TX 558   2026-02-01   
737-432 0 Leander TX   903C ONVOY, LLC - TX 558   2026-02-01   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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