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: 690

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-690 A Leander TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-690 0 Leander TX   073H TELNYX LLC 558   2017-03-22   
512-690 1 Leander TX   6529 T-MOBILE USA, INC. 558   2014-11-09   
512-690 2 Leander TX   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2003-09-20   
512-690 3 Leander TX   5562 METROPCS, INC. 558   2004-11-12   
512-690 4 Leander TX   903C ONVOY, LLC - TX 558   2014-12-03   
512-690 5 Leander TX   508J CENTURYLINK COMMUNICATIONS, LLC 558   2014-05-05   
512-690 6 Leander TX   6529 T-MOBILE USA, INC. 558   2014-11-09   
512-690 7 Leander TX   903C ONVOY, LLC - TX 558   2010-10-25   
512-690 8 Leander TX   903C ONVOY, LLC - TX 558   2003-10-27   
512-690 9 Leander TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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