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: 441

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-441 A Georgetown TX   903C ONVOY, LLC - TX 558   2026-09-27   
737-441 0 Georgetown TX   903C ONVOY, LLC - TX 558   2026-09-27   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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