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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-290 A Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2025-02-07   
512-290 0 Rockdale TX   145J TERRA NOVA TELECOM INC. 558   2025-02-13   
512-290 1 Rockdale TX   6529 T-MOBILE USA, INC. 558   2025-03-10   
512-290 2 Rockdale TX   6529 T-MOBILE USA, INC. 558   2025-03-10   
512-290 3 Rockdale TX   6529 T-MOBILE USA, INC. 558   2025-03-10   
512-290 4 Rockdale TX   6529 T-MOBILE USA, INC. 558   2025-05-01   
512-290 5 Rockdale TX   6529 T-MOBILE USA, INC. 558   2025-05-01   
512-290 6 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2017-03-17   
512-290 7 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2017-03-17   
512-290 8 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2017-03-17   
512-290 9 Rockdale TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-02   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.