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: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-416 A Bridgeport CT BRPTCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-416 0 Bridgeport CT BRPTCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-416 1 Bridgeport CT SMFRCT0162Z  3863 CTC COMMUNICATIONS CORP. - CT 920   2004-06-06   
203-416 2 Bridgeport CT NRWLCT02YMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-416 3 Bridgeport CT BRPTCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-416 4 Bridgeport CT BRPTCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-416 5 Bridgeport CT NWHNCT030MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 920   2004-02-25   
203-416 6 Bridgeport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-01-31   
203-416 7 Bridgeport CT BRPTCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-416 8 Bridgeport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-10-07   
203-416 9 Bridgeport CT BRPTCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.