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: 871

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-871 A Branford CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-871 0 Branford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
203-871 1 Branford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-871 2 Branford CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-871 3 Branford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-871 4 Branford CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-871 5 Branford CT BRPTCT04DS0  7421 AT&T - LOCAL 920      
203-871 6 Branford CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920      
203-871 7 Branford CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-871 8 Branford CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-871 9 Branford CT BLFDCTAP2MD  5562 METROPCS, INC. 920      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.