Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 361 [Rate centres in NPA 361] [Dial plan for NPA 361]

NXX: 365

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-365 A Port Lavaca TX   903C ONVOY, LLC - TX 564   2025-06-13   
361-365 3 Port Lavaca TX   903C ONVOY, LLC - TX 564   2025-06-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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