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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-804 A Marlin TX MRLNTXMLRS0  9533 SOUTHWESTERN BELL 556      
254-804 0 Marlin TX   9533 SOUTHWESTERN BELL 556      
254-804 1 Marlin TX   9533 SOUTHWESTERN BELL 556      
254-804 3 Marlin TX   903C ONVOY, LLC - TX 556   2019-10-28   
254-804 4 Marlin TX   903C ONVOY, LLC - TX 556   2019-10-28   
254-804 9 Marlin TX   9533 SOUTHWESTERN BELL 556      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.