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: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-660 A Lapeer MI SFLDMIDNDS5  9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
810-660 0 Lapeer MI   5562 METRO PCS, INC. 340   2017-02-19   
810-660 1 Lapeer MI   5562 METRO PCS, INC. 340   2016-07-27   
810-660 2 Lapeer MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2017-07-21   
810-660 3 Lapeer MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-10-10   
810-660 4 Lapeer MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2017-07-21   
810-660 5 Lapeer MI   3535 ACD TELECOM, INC. - MI 340   2006-09-02   
810-660 6 Lapeer MI   9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
810-660 7 Lapeer MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 340   2007-02-25   
810-660 8 Lapeer MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 340   2009-03-30   
810-660 9 Lapeer MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-10-10   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.