Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 749

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-749 A Grapevine TX   6529 T-MOBILE USA, INC. 552      
817-749 1 Grapevine TX   145J TERRA NOVA TELECOM INC. 552   2025-02-14   
817-749 6 Grapevine TX   6529 T-MOBILE USA, INC. 552   2025-02-27   
817-749 7 Grapevine TX   6529 T-MOBILE USA, INC. 552   2025-02-27   
817-749 8 Grapevine TX   6529 T-MOBILE USA, INC. 552   2025-02-27   

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

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