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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-203 A Winter Park FL ORLFFLEP9MD  7575 CENTURYLINK COMMUNICATIONS LLC 45808      
321-203 0 Winter Park FL ORLFFLEJDMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45808   2013-06-28   
321-203 1 Winter Park FL ORLDFL60VMD  965G LOCAL ACCESS LLC - FL 45808   2013-08-09   
321-203 2 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2013-10-10   
321-203 3 Winter Park FL ORLFFLHXDS1  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 45808   2014-03-04   
321-203 4 Winter Park FL WNPKFLXEX9X  927D BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL 45808   2013-11-15   
321-203 5 Winter Park FL ORLDFL60DS2  902E PEERLESS NETWORK OF FLORIDA, LLC - FL 45808   2013-11-04   
321-203 6 Winter Park FL WNPKFLXEXNX  6701 AERIAL COMMUNICATIONS 45808   2013-10-06   
321-203 7 Winter Park FL ORLFFLEP9MD  7575 CENTURYLINK COMMUNICATIONS LLC 45808   2013-01-23   
321-203 8 Winter Park FL WNPKFLXEXNX  6701 AERIAL COMMUNICATIONS 45808   2013-10-06   
321-203 9 Winter Park FL WNPKFLXEXNX  6701 AERIAL COMMUNICATIONS 45808   2013-10-06   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.