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: 214 [Rate centres in NPA 214] [Dial plan for NPA 214]

NXX: 687

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-687 A Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 0 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 1 Irving TX   5562 METROPCS, INC. 552   2003-09-30   
214-687 2 Irving TX   5562 METROPCS, INC. 552   2003-09-30   
214-687 3 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 4 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 5 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 6 Irving TX   5562 METROPCS, INC. 552   2003-09-30   
214-687 7 Irving TX   5562 METROPCS, INC. 552   2003-09-30   
214-687 8 Irving TX   5562 METROPCS, INC. 552   2003-08-25   
214-687 9 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.