Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-250 A Grand Saline TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
430-250 0 Grand Saline TX   516J TON80 COMMUNICATIONS, LLC 552   2021-11-12   
430-250 1 Grand Saline TX   793K TWC IP ENABLED SERVICES, LLC 552   2023-08-13   
430-250 2 Grand Saline TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2025-01-23   
430-250 5 Grand Saline TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2022-01-14   
430-250 6 Grand Saline TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2019-04-18   
430-250 8 Grand Saline TX   624H ONVOY SPECTRUM, LLC 552   2024-05-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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