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: 445

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-445 A Georgetown TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2026-11-16   
737-445 6 Georgetown TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2026-11-16   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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