Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-789 A Galveston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      

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

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