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: 582

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-582 A Plymouth MI PLMOMIMNDS0  9323 AMERITECH MICHIGAN 340      
734-582 0 Plymouth MI   9323 AMERITECH MICHIGAN 340      
734-582 1 Plymouth MI   9323 AMERITECH MICHIGAN 340      
734-582 2 Plymouth MI   9323 AMERITECH MICHIGAN 340      
734-582 3 Plymouth MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2010-11-10   
734-582 4 Plymouth MI   516C AT&T CORP. 340   2014-08-14   
734-582 5 Plymouth MI   9323 AMERITECH MICHIGAN 340      
734-582 6 Plymouth MI   9323 AMERITECH MICHIGAN 340      
734-582 7 Plymouth MI   9323 AMERITECH MICHIGAN 340      
734-582 8 Plymouth MI   9323 AMERITECH MICHIGAN 340      
734-582 9 Plymouth MI   9323 AMERITECH MICHIGAN 340      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.