Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-377 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 0 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 1 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-02-11   
512-377 2 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 3 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 4 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 5 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-07-08   
512-377 7 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 8 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-377 9 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2004-09-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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