Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: NWRKTXHURS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-489 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-489 1 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-489 2 Fort Worth TX 9533 SOUTHWESTERN BELL 552      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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