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.

Indian River, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-238 A INRVMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-238 0   9323 AMERITECH MICHIGAN 348      
231-238 1   9323 AMERITECH MICHIGAN 348      
231-238 2   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2008-05-15   
231-238 3   991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-03-12   
231-238 4   9323 AMERITECH MICHIGAN 348      
231-238 5   516C AT&T CORP. 348   2011-08-23   
231-238 6   9323 AMERITECH MICHIGAN 348      
231-238 7   9323 AMERITECH MICHIGAN 348      
231-238 8   9323 AMERITECH MICHIGAN 348      
231-238 9   9323 AMERITECH MICHIGAN 348      
231-290 A WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 5   543C ONVOY, LLC - MI 348   2012-06-01   
231-290 6   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-22   
231-290 7   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 348   2012-02-28   
231-290 8   543C ONVOY, LLC - MI 348   2013-03-18   
231-290 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-693 A GDRPMIIV1MD  2518 LUCRE, INC. 348      
231-844 A GDRPMIQLX1Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-844 0   543C ONVOY, LLC - MI 348   2016-04-15   
231-844 1   3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-844 2   7575 CENTURYLINK COMMUNICATIONS LLC 348   2015-09-15   
231-844 3   4632 TELNET WORLDWIDE, INC. 348   2005-09-02   
231-844 4   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
231-844 5   543C ONVOY, LLC - MI 348   2016-04-15   
231-844 6   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2016-10-21   
231-844 7   1200 TALK AMERICA INC. - MI 348   2006-01-11   
231-844 8   0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-02-03   
231-844 9   991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-04-12   

Last updated: Fri, 17 May 2019 00:49:52 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.