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: 880

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-880 A Austin TX   193E 8X8, INC. 558   2026-11-13   
737-880 1 Austin TX   193E 8X8, INC. 558   2026-11-13   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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