Local Calling Guide

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NPA: 330 [Rate centres in NPA 330] [Dial plan for NPA 330]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-557 A Lake Milton OH WRRNOHXAKMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322      
330-557 0 Lake Milton OH WRRNOHXAKMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322      
330-557 1 Lake Milton OH WRRNOHXAX6X  793K TWC IP ENABLED SERVICES, LLC 322   2013-09-20   
330-557 2 Lake Milton OH WRRNOHXAKMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2014-05-11   
330-557 3 Lake Milton OH WRRNOHXAZMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 322   2005-05-13   
330-557 4 Lake Milton OH YNTWOH78MMD  024E ARMSTRONG TELECOMMUNICATIONS, INC. - OH 322   2008-09-18   
330-557 5 Lake Milton OH WRRNOHXAKMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2016-08-28   
330-557 6 Lake Milton OH WRRNOHXAX6X  793K TWC IP ENABLED SERVICES, LLC 322   2007-02-13   
330-557 7 Lake Milton OH YNTWOHHD0MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2013-12-12   
330-557 8 Lake Milton OH WRRNOHXAVMD  464C ONVOY, LLC - OH 322   2021-03-22   
330-557 9 Lake Milton OH WRRNOHXAVMD  464C ONVOY, LLC - OH 322   2020-04-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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