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: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-579 A Mexia TX WACOTX360MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 556      
254-579 0 Mexia TX WACOTX360MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 556      
254-579 1 Mexia TX WACOTX01X7Y  073H TELNYX LLC 556      
254-579 4 Mexia TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556      
254-579 5 Mexia TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556      
254-579 7 Mexia TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556      
254-579 8 Mexia TX WACOTX01XIY  515J IP HORIZON LLC 556      
254-579 9 Mexia TX WACOTX01XIY  515J IP HORIZON LLC 556      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.