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.

Switch: SGNWMIACDS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-704 8 Sebewaing MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-26   
989-726 9 West Branch MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2023-07-24   
989-750 0 Midland MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2014-05-03   
989-767 8 Vassar MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2022-06-23   
989-767 9 Vassar MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2022-05-01   
989-787 4 West Branch MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2024-11-02   
989-829 A Owosso MI 6630 USA MOBILITY WIRELESS, INC. 344      
989-842 6 Breckenridge MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-20   
989-868 0 Reese MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2014-05-03   
989-888 0 Reese MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-24   
989-897 6 Bay City MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2024-11-02   
989-918 6 Unionville MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2016-04-02   
989-935 9 Clare MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-21   
989-944 6 Mount Pleasant MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2014-05-03   
989-946 9 Standish MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2023-08-19   
989-975 4 Bad Axe MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2021-07-15   
989-994 8 Beaverton MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2023-07-24   
989-999 1 Birch Run MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2016-12-11   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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