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.

OCN: 7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX

1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
214-227 3 Plano TX   552   2003-02-23   
214-227 4 Plano TX   552   2003-12-03   
214-227 5 Plano TX   552   2003-12-03   
214-441 A Irving TX DLLSTXNODS0  552      
214-473 A Plano TX ALLNTXSADS0  552      
214-473 0 Plano TX   552      
214-473 1 Plano TX   552      
214-473 2 Plano TX   552      
214-473 3 Plano TX   552      
214-473 6 Plano TX   552      
214-473 7 Plano TX   552      
214-473 8 Plano TX   552      
214-473 9 Plano TX   552      
214-483 2 Carrollton TX   552   2004-06-03   
214-483 3 Carrollton TX   552   2004-06-03   
214-483 4 Carrollton TX   552   2005-02-14   
214-483 5 Carrollton TX   552   2005-04-02   
214-483 6 Carrollton TX   552   2005-04-02   
214-483 9 Carrollton TX   552   2005-10-14   
214-492 A Irving TX DLLSTXNODS0  552      
214-492 0 Irving TX   552      
214-492 1 Irving TX   552      
214-492 2 Irving TX   552      
214-492 4 Irving TX   552      
214-492 5 Irving TX   552      
214-492 6 Irving TX   552      
214-492 7 Irving TX   552      
214-492 8 Irving TX   552      
214-493 A Irving TX DLLSTXNODS0  552      
214-493 4 Irving TX   552      
214-524 A Irving TX DLLSTXNODS0  552      
214-524 0 Irving TX   552      
214-524 2 Irving TX   552      
214-524 5 Irving TX   552      
214-524 6 Irving TX   552      
214-524 7 Irving TX   552      
214-596 A Irving TX DLLSTXNODS0  552      
214-596 0 Irving TX   552      
214-596 1 Irving TX   552      
214-596 2 Irving TX   552      
214-596 3 Irving TX   552      
214-596 4 Irving TX   552      
214-596 5 Irving TX   552      
214-596 6 Irving TX   552      
214-596 7 Irving TX   552      
214-596 9 Irving TX   552      
214-703 A Plano TX DLLSTXDADS0  552      
214-778 A Plano TX ALLNTXSADS0  552      
214-778 4 Plano TX   552   2007-06-08   
214-994 A Plano TX DLLSTXDADS0  552   2004-01-04   

1 2 3 4 5 6 7 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.