Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 330 [Rate centres in NPA 330] [Dial plan for NPA 330]

NXX: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-574 A Niles OH YNTWOH02ZMD  7421 AT&T - LOCAL 322      
330-574 0 Niles OH YNTWOH02ZMD  7421 AT&T - LOCAL 322      
330-574 1 Niles OH YNTWOH79FMD  001F BANDWIDTH.COM CLEC, LLC - OH 322   2014-11-09   
330-574 2 Niles OH YNTWOH79FMD  001F BANDWIDTH.COM CLEC, LLC - OH 322   2015-05-29   
330-574 3 Niles OH YNTWOH79FMD  001F BANDWIDTH.COM CLEC, LLC - OH 322   2016-07-11   
330-574 4 Niles OH YNTWOH78X9X  464C ONVOY, LLC - OH 322   2017-04-27   
330-574 5 Niles OH YNTWOH78XMX  793K TWC IP ENABLED SERVICES, LLC 322   2018-04-16   
330-574 6 Niles OH YNTWOH78X9X  464C ONVOY, LLC - OH 322   2019-08-09   
330-574 7 Niles OH YNTWOH78X9X  464C ONVOY, LLC - OH 322   2019-08-09   
330-574 8 Niles OH YNTWOH78X9X  464C ONVOY, LLC - OH 322   2020-06-20   
330-574 9 Niles OH YNTWOH78X9X  464C ONVOY, LLC - OH 322   2020-06-20   

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

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