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: 755

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-755 A Springtown TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2025-04-06   
817-755 0 Springtown TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-06-16   
817-755 1 Springtown TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-06-16   
817-755 4 Springtown TX   145J TERRA NOVA TELECOM INC. 552   2025-04-09   
817-755 5 Springtown TX   903C ONVOY, LLC - TX 552   2020-09-30   
817-755 6 Springtown TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-08-27   
817-755 7 Springtown TX   903C ONVOY, LLC - TX 552   2009-09-05   
817-755 8 Springtown TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-10-29   
817-755 9 Springtown TX   903C ONVOY, LLC - TX 552   2012-12-14   

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

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