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
947-524 5 Royal Oak MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-11-04   
947-524 6 Royal Oak MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-11-04   
947-524 7 Royal Oak MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-11-04   
947-524 8 Royal Oak MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-11-04   
947-524 9 Royal Oak MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-11-04   
947-881 A Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-881 0 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-01   
947-881 1 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-01   
947-881 2 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-01   
947-881 3 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-01   
947-881 4 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-01   
947-881 5 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-01   
947-881 6 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-01   
947-881 7 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-02   
947-881 8 Southfield MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-10-02   
947-941 6 Royal Oak MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-11-18   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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