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: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 727

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-727 A Davison MI SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340      
810-727 1 Davison MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-08-13   
810-727 2 Davison MI SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340   2022-04-30   
810-727 3 Davison MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-08-13   
810-727 4 Davison MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-08-13   
810-727 5 Davison MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-08-13   
810-727 6 Davison MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-08-13   
810-727 9 Davison MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2025-04-20   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.