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: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-499 A Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 0 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 1 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 2 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 3 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 5 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 6 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 7 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 8 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-499 9 Southfield MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.