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: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-256 A Salado TX WACOTX360MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 556      
254-256 0 Salado TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556      
254-256 1 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-256 2 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-256 3 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-256 4 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-256 5 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-256 6 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-256 7 Salado TX KLLNTXXARMD  508J CENTURYLINK COMMUNICATIONS, LLC 556      
254-256 8 Salado TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556      
254-256 9 Salado TX WACOTXEY6MD  516J TON80 COMMUNICATIONS, LLC 556      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.