Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SNANTXTSDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-239 A San Antonio TX 319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 566   2007-01-20   

Last updated: Sat, 08 Jun 2019 01:52:21 UTC

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