Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-564 A Lampasas TX LMPSTXLSDS0  9533 SOUTHWESTERN BELL 558      
512-564 0 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-08-14   
512-564 1 Lampasas TX LMPSTXLSDS0  9533 SOUTHWESTERN BELL 558   2002-12-01   
512-564 2 Lampasas TX LMPSTXLSDS0  9533 SOUTHWESTERN BELL 558   2012-11-13   
512-564 3 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-09   
512-564 4 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2010-11-01   
512-564 5 Lampasas TX AUSTTXGR25Z  516C AT&T CORP. 558   2011-11-09   
512-564 6 Lampasas TX AUSTTXGR52Z  145J TERRA NOVA TELECOM INC. 558   2023-11-16   
512-564 7 Lampasas TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2014-05-05   
512-564 8 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2014-04-25   
512-564 9 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-11-21   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.