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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-328 A Sherman TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-328 0 Sherman TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-01-06   
903-328 1 Sherman TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2016-05-24   
903-328 2 Sherman TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-11-05   
903-328 3 Sherman TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-05-15   
903-328 4 Sherman TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2011-02-12   
903-328 5 Sherman TX   327E YMAX COMMUNICATIONS CORP. - TX 552   2007-07-06   
903-328 6 Sherman TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-12-04   
903-328 7 Sherman TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2010-11-18   
903-328 8 Sherman TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-10-12   
903-328 9 Sherman TX   327E YMAX COMMUNICATIONS CORP. - TX 552   2008-04-22   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.