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.
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OCN: 3083 PAETEC COMMUNICATIONS, LLC - CT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
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: Sun, 27 Apr 2025 12:48:38 UTC

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