Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 349

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-349 A Niles OH YNTWOHKEDMD  516C AT&T CORP. 322      
330-349 0 Niles OH   024E ARMSTRONG TELECOMMUNICATIONS, INC. - OH 322   2007-11-02   
330-349 1 Niles OH   516C AT&T CORP. 322      
330-349 2 Niles OH   001F BANDWIDTH.COM CLEC, LLC - OH 322   2013-03-16   
330-349 3 Niles OH   7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 322   2008-09-02   
330-349 4 Niles OH   793K TWC IP ENABLED SERVICES, LLC 322   2007-02-13   
330-349 5 Niles OH   001F BANDWIDTH.COM CLEC, LLC - OH 322   2013-03-16   
330-349 6 Niles OH   001F BANDWIDTH.COM CLEC, LLC - OH 322   2014-05-04   
330-349 7 Niles OH   508J CENTURYLINK COMMUNICATIONS, LLC 322   2014-03-19   
330-349 8 Niles OH   001F BANDWIDTH.COM CLEC, LLC - OH 322   2015-05-29   
330-349 9 Niles OH   9321 OHIO BELL TEL CO 322      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.