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: 734 [Rate centres in NPA 734] [Dial plan for NPA 734]

NXX: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-627 A Chelsea MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-627 0 Chelsea MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-627 1 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
734-627 2 Chelsea MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-627 3 Chelsea MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-627 4 Chelsea MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-627 5 Chelsea MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-627 6 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
734-627 7 Chelsea MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
734-627 8 Chelsea MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
734-627 9 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.