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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-637 A Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 0 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 1 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 2 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 3 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 4 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 5 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 6 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 7 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 8 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 9 Plymouth MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.