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: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-579 A Fairmount TX FAMTTXXARP0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 562      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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