Local Calling Guide

Area code/prefix search

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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-548 A Denison TX SHMNTXGCDS0  0603 GRAYSON COLLIN COMMUNICATIONS 552      

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

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