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: 209

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-209 A Byron MI   829J PAETEC ITEL, LLC 340      
810-209 0 Byron MI ANARMIMNX8X  3535 ACD TELECOM, INC. - MI 340      
810-209 1 Byron MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-209 2 Byron MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-209 3 Byron MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-209 4 Byron MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-209 5 Byron MI   829J PAETEC ITEL, LLC 340      
810-209 6 Byron MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
810-209 7 Byron MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340      
810-209 8 Byron MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-209 9 Byron MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.