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.

Rockford, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
616-326 A GDRPMIBL15Z  516C AT&T CORP. 348      
616-326 0 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   
616-326 1 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-08-12   
616-326 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-05-26   
616-326 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-01-05   
616-326 4 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-11-15   
616-326 5 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2019-02-15   
616-326 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-19   
616-326 7 GDRPMIBL15Z  516C AT&T CORP. 348   2011-09-11   
616-326 8 GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2015-04-21   
616-326 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-12-14   
616-433 A GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-433 0 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-09-02   
616-433 1 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-11-22   
616-433 2 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2003-08-25   
616-433 3 GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-433 4 GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2004-01-13   
616-433 5 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2004-12-31   
616-433 6 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-03-17   
616-433 7   145J TERRA NOVA TELECOM INC. 348   2021-05-04   
616-433 8 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-03-17   
616-433 9 PTSKMICSDS0  9245 CYNERGYCOMM.NET, INC. - MI 348   2005-09-01   
616-747 A GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-747 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2016-08-19   
616-747 1 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2016-09-26   
616-747 3 GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2021-11-11   
616-747 4 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-20   
616-747 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
616-747 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
616-747 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-28   
616-747 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-28   
616-747 9 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-10-29   
616-863 A RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 0 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 1 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 2 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2007-07-17   
616-863 3 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 4 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 5 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 6 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 7 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-03-17   
616-863 8 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 9 RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-866 A RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-867 A GDRPMIIV2MD  939H COMMIO, LLC 348      
616-867 0 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-12   
616-867 1 BRSPMI09AMD  490J DISH WIRELESS, LLC 348   2024-03-29   
616-867 2 BRSPMI09AMD  490J DISH WIRELESS, LLC 348   2024-08-25   
616-867 3 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2024-10-05   
616-867 5 GDRPMIIV2MD  939H COMMIO, LLC 348   2022-12-10   
616-867 6 GDRPMIIV2MD  939H COMMIO, LLC 348   2022-12-10   
616-867 7 GDRPMIIV2MD  939H COMMIO, LLC 348   2022-12-10   
616-874 A RCFRMISEDS0  9323 MICHIGAN BELL TEL CO 348      
616-883 A GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348      
616-883 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-07-09   
616-883 3 GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2006-01-19   
616-883 6 GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2006-10-08   
616-884 A GDRPMIBL15Z  516C AT&T CORP. 348      
616-884 0 GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
616-884 2 GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2008-04-12   
616-884 3 GDRPMIBL15Z  516C AT&T CORP. 348   2007-01-04   
616-884 4 GDRPMIBLX8Z  2550 123.NET, LLC 348   2008-11-20   
616-884 5 GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2010-03-26   
616-884 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2008-12-10   
616-884 7 GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2008-02-14   
616-884 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2008-12-10   
616-884 9 BRSPMI096MD  145J TERRA NOVA TELECOM INC. 348   2025-01-08   
616-951 A BRSPMI09HMD  460K FIRST COMMUNICATIONS, LLC 348      
616-951 0 BRSPMI09HMD  460K FIRST COMMUNICATIONS, LLC 348   2008-04-01   
616-951 1 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2009-03-07   
616-951 2 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-09-26   
616-951 3 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-02-22   
616-951 4 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-09-11   
616-951 5 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-07-09   
616-951 6 GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2011-09-16   
616-951 7 GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2013-08-26   
616-951 8 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-18   
616-951 9 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2014-11-05   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.