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: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-272 A Melbourne FL ORLDFLCLXAY  8300 TELEPORT COMMUNICATIONS AMERICA, LLC - FL 45806      
321-272 0 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2018-01-11   
321-272 1 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2018-01-11   
321-272 2 Melbourne FL ORLFFLEJDMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45806   2017-12-04   
321-272 3 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2018-01-11   
321-272 4 Melbourne FL ORLDFLCLXAY  8300 TELEPORT COMMUNICATIONS AMERICA, LLC - FL 45806   2017-07-21   
321-272 5 Melbourne FL ORLFFL051MD  899D METROPCS NETWORKS, LLC 45806   2018-02-19   
321-272 6 Melbourne FL ORLFFL051MD  899D METROPCS NETWORKS, LLC 45806   2018-04-28   
321-272 7 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2017-09-26   
321-272 8 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2017-09-26   
321-272 9 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2017-09-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.