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: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-299 A Waco TX WACOTX01DS1  9533 SOUTHWESTERN BELL 556      
254-299 0 Waco TX   9533 SOUTHWESTERN BELL 556      
254-299 1 Waco TX   9533 SOUTHWESTERN BELL 556      
254-299 2 Waco TX   9533 SOUTHWESTERN BELL 556      
254-299 3 Waco TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 556   2023-09-25   
254-299 4 Waco TX   9533 SOUTHWESTERN BELL 556      
254-299 5 Waco TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 556   2023-09-25   
254-299 6 Waco TX   9533 SOUTHWESTERN BELL 556      
254-299 7 Waco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2009-02-22   
254-299 8 Waco TX   9533 SOUTHWESTERN BELL 556      
254-299 9 Waco TX   9533 SOUTHWESTERN BELL 556      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.