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: 321 [Rate centres in NPA 321] [Dial plan for NPA 321]

NXX: 972

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-972 A Winter Park FL ORLDFLMAXAX  4227 PAETEC COMMUNICATIONS, INC. - FL 45808      
321-972 0 Winter Park FL ORLDFLMAXAX  4227 PAETEC COMMUNICATIONS, INC. - FL 45808      
321-972 1 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2010-05-16   
321-972 2 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2009-09-03   
321-972 3 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2008-11-01   
321-972 4 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2007-12-17   
321-972 5 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2007-12-17   
321-972 6 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2008-08-11   
321-972 7 Winter Park FL ORLDFLMAY4X  516C AT&T CORP. 45808   2008-12-21   
321-972 8 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2008-09-14   
321-972 9 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2010-06-24   

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.