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: 247

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-247 A Holly MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
947-247 0 Holly MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2021-08-05   
947-247 1 Holly MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2022-12-28   
947-247 2 Holly MI   5562 METROPCS, INC. 340   2021-11-25   
947-247 3 Holly MI   543C ONVOY, LLCV - MI 340   2021-08-21   
947-247 4 Holly MI   543C ONVOY, LLCV - MI 340   2021-08-21   
947-247 5 Holly MI   5562 METROPCS, INC. 340   2021-11-16   
947-247 6 Holly MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2021-12-03   
947-247 7 Holly MI   543C ONVOY, LLCV - MI 340   2021-07-20   
947-247 8 Holly MI   543C ONVOY, LLCV - MI 340   2021-07-20   
947-247 9 Holly MI   5562 METROPCS, INC. 340   2021-11-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.