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.

OCN: 356D AMERICAN BROADBAND AND TELECOMMS COMPANY - MI

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
517-438 9 Adrian MI LMVLMIXI4MD  340      
734-206 8 Temperance MI LMVLMIXI4MD  340      
734-607 A Lambertville MI LMVLMIXI4MD  340      
734-607 0 Lambertville MI LMVLMIXI4MD  340      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.