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.

Onsted, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
517-300 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
517-300 0 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-12-11   
517-300 1 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-04-27   
517-300 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-06-14   
517-300 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-12-11   
517-300 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-05-09   
517-300 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-05-09   
517-300 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-05-09   
517-300 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-05-09   
517-300 8 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-06-14   
517-300 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-06-14   
517-446 A PTBGMIAKDS0  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340      
517-446 0 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-01-03   
517-446 1 PTBGMIAKDS0  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340      
517-446 2 PTBGMIAKDS0  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340      
517-446 3 PTBGMIAKDS0  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340      
517-446 4 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2012-06-30   
517-446 5 BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2016-03-21   
517-446 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2018-10-13   
517-446 7 SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2017-11-29   
517-446 8 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-03-19   
517-446 9 PTBGMIAKDS0  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340      
517-467 A ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 0 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 1 ADRNMIXGVMD  3459 TC3 TELECOM, INC. - MI 340   2011-01-14   
517-467 2 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 3 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 4 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 5 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2007-06-26   
517-467 6 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 7 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 8 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-467 9 ONSTMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 340      
517-516 A ADRNMIXGMMD  624H ONVOY SPECTRUM, LLC 340      
517-516 5 ADRNMIXGMMD  624H ONVOY SPECTRUM, LLC 340   2021-07-20   
517-516 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-21   
517-516 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-21   
517-516 9 ADRNMIXGMMD  624H ONVOY SPECTRUM, LLC 340   2021-12-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.