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: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-880 A Trumbull CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-880 0 Trumbull CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-880 1 Trumbull CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-880 2 Trumbull CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-880 3 Trumbull CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-880 4 Trumbull CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2006-07-07   
203-880 5 Trumbull CT   777C CHARTER FIBERLINK CT-CCO, LLC-CT 920   2009-12-19   
203-880 6 Trumbull CT   3863 CTC COMMUNICATIONS CORP. - CT 920   2005-07-25   
203-880 7 Trumbull CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-880 8 Trumbull CT   9841 BROADWING COMMUNICATIONS, LLC - CT 920   2007-02-17   
203-880 9 Trumbull CT   777C CHARTER FIBERLINK CT-CCO, LLC-CT 920   2007-02-08   

Last updated: Fri, 17 May 2019 00:49:52 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.