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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-267 A Houston TX HLTPTXWICM0  6630 USA MOBILITY WIRELESS, INC. 560      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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