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: 225

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-225 A Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 2 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 3 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 4 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 5 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 6 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 7 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 8 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   
254-225 9 Killeen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2025-09-12   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.