Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-938 A San Marcos TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-938 1 San Marcos TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558   2007-06-25   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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