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: 361

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-361 A Denison TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-361 0 Denison TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-361 1 Denison TX   515J IP HORIZON LLC 552      
903-361 2 Denison TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-361 3 Denison TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
903-361 4 Denison TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
903-361 5 Denison TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
903-361 6 Denison TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
903-361 7 Denison TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
903-361 8 Denison TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
903-361 9 Denison TX   145J TERRA NOVA TELECOM INC. 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.