Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Mansfield EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-477 A FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 0 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 1 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 2 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 3 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 4 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 5 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 6 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-02-26   
817-477 7 DLLTTX01CMD  5562 METROPCS, INC. 552   2010-02-19   
817-477 8 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-477 9 FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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