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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
947-362 9 South Lyon MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2023-08-19   
947-400 9 West Bloomfield MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-12-18   
947-466 9 Milford-White Lake MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2022-03-31   
947-479 9 Rochester MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2021-02-26   
947-600 8 Northville MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2021-01-26   
947-886 6 Pontiac MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-03-19   
947-941 0 Royal Oak MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-08-26   
947-941 3 Royal Oak MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-11-14   
947-985 A Southfield MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
947-985 9 Southfield MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-12-10   
989-259 1 Midland MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-10-23   
989-436 8 Ithaca MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-11-13   
989-461 0 Gaines MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-05-03   
989-461 1 Gaines MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2022-08-27   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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