Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 267

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-267 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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