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: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 810

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-810 A Mattoon IL MTONILXCRMD  224C ONVOY, LLC 976      
447-810 0 Mattoon IL   224C ONVOY, LLC 976   2021-05-15   
447-810 1 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2021-07-02   
447-810 2 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2022-02-21   
447-810 3 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2022-02-21   
447-810 4 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2022-02-21   
447-810 5 Mattoon IL   6529 T-MOBILE USA, INC. 976   2022-03-13   
447-810 6 Mattoon IL   6529 T-MOBILE USA, INC. 976   2022-03-13   
447-810 7 Mattoon IL   6529 T-MOBILE USA, INC. 976   2022-03-13   
447-810 8 Mattoon IL   6529 T-MOBILE USA, INC. 976   2022-03-13   
447-810 9 Mattoon IL   6529 T-MOBILE USA, INC. 976   2022-03-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.