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: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-455 A Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 0 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 1 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 2 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 3 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 4 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 5 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 6 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 7 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      
512-455 8 Milano TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2013-12-19   
512-455 9 Milano TX MLANTXXARP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 558      

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.