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.

Montgomery EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
936-449 A MTGMTXXMRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-449 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-07-27   
936-449 1 LFKNTXXABMD  318C CEBRIDGE TELECOM TX , L.P. - TX 560   2014-02-28   
936-449 2 MTGMTXXMRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-449 3 MTGMTXXMRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-449 4 MTGMTXXMRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-449 5 MTGMTXXMRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-449 6 MTGMTXXMRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-449 7 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2012-03-30   
936-449 8 LFKNTXXABMD  318C CEBRIDGE TELECOM TX , L.P. - TX 560   2014-02-28   
936-449 9 MTGMTXXMRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.