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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-444 A Sherman TX DLLSTX97X5X  965H FRACTEL, LLC 552      
903-444 0 Sherman TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2021-10-17   
903-444 1 Sherman TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2021-10-17   
903-444 2 Sherman TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-08-12   
903-444 3 Sherman TX DLLSTX97X6X  145J TERRA NOVA TELECOM INC. 552   2023-08-10   
903-444 4 Sherman TX DLLSTX97X5X  965H FRACTEL, LLC 552   2020-10-16   
903-444 5 Sherman TX DLLSTX97X5X  965H FRACTEL, LLC 552   2020-10-16   
903-444 6 Sherman TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-08-12   
903-444 7 Sherman TX DLLSTX97X5X  965H FRACTEL, LLC 552   2020-10-16   
903-444 8 Sherman TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-07-08   
903-444 9 Sherman TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2021-12-31   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.