Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 931 [Rate centres in NPA 931] [Dial plan for NPA 931]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-576 A Williamsport TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2025-04-07   
931-576 0 Williamsport TN NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2004-11-16   
931-576 1 Williamsport TN NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2005-12-17   
931-576 3 Williamsport TN   145J TERRA NOVA TELECOM INC. 470   2025-04-10   
931-576 5 Williamsport TN NSVLTNMT96Z  124F BANDWIDTH.COM CLEC, LLC - TN 470   2011-04-10   
931-576 6 Williamsport TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2021-03-15   
931-576 7 Williamsport TN NSVLTNMT96Z  124F BANDWIDTH.COM CLEC, LLC - TN 470   2015-10-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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