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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-255 A Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 0 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 1 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 2 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 3 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 4 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 5 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 6 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      
903-255 7 Texarkana TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554   2008-02-01   
903-255 8 Texarkana TX TXRKTXXAZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2019-12-22   
903-255 9 Texarkana TX TXRKTXXADS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 554      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.