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: 296

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-296 A Oviedo FL ORLEFLIQDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806      
321-296 0 Oviedo FL ORLEFLIQDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806      
321-296 1 Oviedo FL ORLEFLIQDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806      
321-296 2 Oviedo FL ORLDFLMAYBY  829J PAETEC ITEL, LLC 45806   2004-08-30   
321-296 3 Oviedo FL ORLEFLIQDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806      
321-296 4 Oviedo FL ORLDFLERDS0  7391 CENTURYLINK COMMUNICATIONS LLC - FL 45806   2004-10-01   
321-296 5 Oviedo FL ORLDFLMA68Z  982E BANDWIDTH.COM CLEC, LLC - FL 45806   2015-01-17   
321-296 6 Oviedo FL ORLEFLIQDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806   2006-08-14   
321-296 7 Oviedo FL ORLEFLIQDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806   2006-08-14   
321-296 8 Oviedo FL ORLFFLEJDMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45806   2008-01-31   
321-296 9 Oviedo FL ORLDFLMA68Z  982E BANDWIDTH.COM CLEC, LLC - FL 45806   2014-05-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.