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.

Switch: PLMOMIBYDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-912 A Northville MI 5353 TDS METROCOM INC. - MI 340      
248-919 A Farmington MI 5353 TDS METROCOM INC. - MI 340      
313-817 A Detroit Zone 5 MI 5353 TDS METROCOM INC. - MI 340      
734-710 A Wayne MI 5353 TDS METROCOM INC. - MI 340      
734-829 A Ypsilanti MI 5353 TDS METROCOM INC. - MI 340      
734-838 A Livonia MI 5353 TDS METROCOM INC. - MI 340      
734-893 A Romulus MI 5353 TDS METROCOM INC. - MI 340      
734-926 A Ann Arbor MI 5353 TDS METROCOM INC. - MI 340      
734-927 A Plymouth MI 5353 TDS METROCOM INC. - MI 340      
734-929 A Ann Arbor MI 5353 TDS METROCOM INC. - MI 340      
734-961 A Ypsilanti MI 5353 TDS METROCOM INC. - MI 340      
734-979 A Plymouth MI 5353 TDS METROCOM INC. - MI 340      

Last updated: Wed, 10 Apr 2019 01:22:05 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.