Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 214 [Rate centres in NPA 214] [Dial plan for NPA 214]

NXX: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-436 A Frisco TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552      
214-436 0 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2009-01-28   
214-436 1 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2009-01-28   
214-436 2 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2009-01-28   
214-436 3 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2009-01-28   
214-436 4 Frisco TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552   2008-11-23   
214-436 5 Frisco TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552   2008-11-23   
214-436 6 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2009-01-28   
214-436 7 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2009-10-07   
214-436 8 Frisco TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2009-02-16   
214-436 9 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2009-01-28   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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