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.

Caledonia, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
616-271 A WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-271 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2021-05-24   
616-271 1 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-11-21   
616-271 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-11-21   
616-271 3 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-18   
616-271 4 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-06-18   
616-271 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-06-18   
616-271 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
616-271 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
616-271 8 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-06-26   
616-271 9 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2020-01-23   
616-275 A GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
616-275 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2014-06-05   
616-275 1 GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2012-07-01   
616-275 2 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2014-09-12   
616-275 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-24   
616-275 4 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2018-06-01   
616-275 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-19   
616-275 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-24   
616-275 7 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-16   
616-275 8 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-21   
616-275 9 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2015-11-13   
616-348 A BRSPMI095MD  965H FRACTEL, LLC 348      
616-348 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2023-01-13   
616-348 1 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-12-03   
616-348 2 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-12-03   
616-348 6 BRSPMI095MD  965H FRACTEL, LLC 348   2021-09-19   
616-348 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-11-27   
616-348 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-11-27   
616-348 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-26   
616-528 A GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-528 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2009-03-07   
616-528 1 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-11-22   
616-528 2 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-09-26   
616-528 3 GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-528 4 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-02-22   
616-528 5 BRSPMI09HMD  460K FIRST COMMUNICATIONS, LLC 348   2010-08-27   
616-528 6   279B CLEAR RATE COMMUNICATIONS, INC. - MI 348   2010-03-12   
616-528 7 GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2008-10-06   
616-528 8 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-04-14   
616-528 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-05-26   
616-536 A WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-536 0 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-536 1 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-02-25   
616-536 2 GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
616-536 3 GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2003-11-03   
616-536 4 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2003-03-22   
616-536 5 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-08-27   
616-536 6 GDRPMIBL15Z  516C AT&T CORP. 348   2007-02-22   
616-536 7 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-04-01   
616-536 8 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-04-01   
616-536 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-07-11   
616-891 A CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 0 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 1 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 2 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 3 GDRPMIBLX8Z  2550 123.NET, LLC 348   2008-11-20   
616-891 4 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 5 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 6 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 7 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 8 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      
616-891 9 CLDNMICLRSA  9323 MICHIGAN BELL TEL CO 348      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.