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: 586 [Rate centres in NPA 586] [Dial plan for NPA 586]

NXX: 840

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-840 A Mount Clemens MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
586-840 0 Mount Clemens MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
586-840 1 Mount Clemens MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
586-840 2 Mount Clemens MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
586-840 3 Mount Clemens MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
586-840 4 Mount Clemens MI   829J PAETEC ITEL, LLC 340      
586-840 5 Mount Clemens MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
586-840 6 Mount Clemens MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
586-840 7 Mount Clemens MI DTRTMIBASMD  516C AT&T CORP. 340      
586-840 8 Mount Clemens MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
586-840 9 Mount Clemens MI   3535 ACD TELECOM, INC. - MI 340      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.