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.

OCN: 3083 PAETEC COMMUNICATIONS, LLC - CT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
203-489 1 Greenwich CT NYCMNYBXYMD  132   2012-02-09   
203-681 3 Byram CT NYCMNYBXYMD  132   2011-03-08   
203-717 6 Greenwich CT NYCMNYBXYMD  132   2012-09-03   
475-220 0 New Haven CT   920   2015-11-02   
475-220 1 New Haven CT   920   2015-11-02   
475-220 2 New Haven CT   920   2015-11-02   
475-220 3 New Haven CT   920   2015-11-02   
475-220 4 New Haven CT   920   2015-11-02   
475-220 5 New Haven CT   920   2015-11-02   
475-220 6 New Haven CT   920   2015-11-02   
475-220 7 New Haven CT   920   2015-11-02   
475-220 8 New Haven CT   920   2015-11-02   
475-220 9 New Haven CT   920   2015-11-02   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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