Local Calling Guide

Area code/prefix search

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Port William, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
937-486 A PTWLOHXBRS0  0615 FRONTIER NORTH, INC. - OH 328      
937-486 0   001F BANDWIDTH.COM CLEC, LLC - OH 328   2009-01-04   
937-486 1   0615 FRONTIER NORTH, INC. - OH 328      
937-486 2   0615 FRONTIER NORTH, INC. - OH 328      
937-486 4   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2005-04-11   
937-486 5   145J TERRA NOVA TELECOM INC. 328   2025-08-08   
937-486 6   508J CENTURYLINK COMMUNICATIONS, LLC 328   2014-06-01   
937-486 7   793K TWC IP ENABLED SERVICES, LLC 328   2024-03-03   
937-486 8   516J TON80 COMMUNICATIONS, LLC 328   2021-06-19   
937-486 9   309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2026-02-08   

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

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