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.

NPA: 947 [Rate centres in NPA 947] [Dial plan for NPA 947]

NXX: 529

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-529 A Birmingham MI SFLDMIMK8MD  965H FRACTEL, LLC 340      
947-529 0 Birmingham MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2022-11-24   
947-529 1 Birmingham MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-07-20   
947-529 2 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-01-05   
947-529 3 Birmingham MI SFLDMIMK8MD  965H FRACTEL, LLC 340   2022-01-28   
947-529 4 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-01-05   
947-529 5 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-01-05   
947-529 6 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-05-15   
947-529 7 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-08-04   
947-529 8 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-02-07   
947-529 9 Birmingham MI SFLDMIMK8MD  965H FRACTEL, LLC 340   2022-01-28   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.