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: 528

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-528 A Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 0 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 1 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 2 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 3 Leander TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-02-20   
512-528 4 Leander TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX , L.P. - TX 558   2014-02-28   
512-528 5 Leander TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2010-11-06   
512-528 6 Leander TX   145J TERRA NOVA TELECOM INC. 558   2021-01-26   
512-528 7 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 8 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 9 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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