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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-238 A Alliance OH AKRNOHIA5MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 325      
330-238 0 Alliance OH AKRNOH25XCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 325   2010-04-30   
330-238 1 Alliance OH AKRNOHIA5MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 325   2005-04-25   
330-238 2 Alliance OH AKRNOHIA5MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 325   2004-11-22   
330-238 3 Alliance OH AKRNOH25XLY  001F BANDWIDTH.COM CLEC, LLC - OH 325   2010-03-08   
330-238 4 Alliance OH AKRNOHIA5MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 325      
330-238 5 Alliance OH AKRNOH2549Z  0977 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - OH 325   2004-01-14   
330-238 6 Alliance OH AKRNOH25X3Y  6529 T-MOBILE USA, INC. 325   2004-11-22   
330-238 7 Alliance OH AKRNOH25XZY  464C ONVOY, LLC - OH 325   2014-11-26   
330-238 8 Alliance OH AKRNOH25XLY  001F BANDWIDTH.COM CLEC, LLC - OH 325   2010-09-02   
330-238 9 Alliance OH AKRNOH25XHY  9682 FIRST COMMUNICATIONS, LLC - OH 325   2008-09-18   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.