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: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-335 A Port Lavaca TX PTLVTXXAOMD  506J TWILIO INTERNATIONAL, INC. 564   2024-12-27   
361-335 0 Port Lavaca TX PTLVTXXAOMD  506J TWILIO INTERNATIONAL, INC. 564   2024-12-27   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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