Local Calling Guide

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-420 A Fort Worth TX FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-420 0 Fort Worth TX   5562 METROPCS, INC. 552   2006-09-15   
817-420 1 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-420 2 Fort Worth TX   5562 METROPCS, INC. 552   2006-11-19   
817-420 3 Fort Worth TX   5562 METROPCS, INC. 552   2006-04-12   
817-420 4 Fort Worth TX   5562 METROPCS, INC. 552   2006-04-12   
817-420 5 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-420 6 Fort Worth TX   792K CHARTER IP ENABLED SERVICES, LLC 552   2013-06-21   
817-420 7 Fort Worth TX   903C ONVOY, LLC - TX 552   2016-02-22   
817-420 8 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-420 9 Fort Worth TX   792K CHARTER IP ENABLED SERVICES, LLC 552   2007-10-01   

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

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