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: 728

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-728 A Lapeer MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-728 0 Lapeer MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2006-09-07   
810-728 1 Lapeer MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2007-12-06   
810-728 2 Lapeer MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2008-10-13   
810-728 3 Lapeer MI   6664 SPRINT SPECTRUM L.P. 340   2007-03-02   
810-728 4 Lapeer MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2009-01-15   
810-728 5 Lapeer MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2009-06-22   
810-728 6 Lapeer MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2008-07-28   
810-728 7 Lapeer MI   516C AT&T CORP. 340   2007-02-22   
810-728 8 Lapeer MI   6664 SPRINT SPECTRUM L.P. 340   2007-12-28   
810-728 9 Lapeer MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2012-09-08   

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.