Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 673

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-673 A Almont MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
810-673 0 Almont MI ANARMIMNX8X  3535 ACD TELECOM, INC. - MI 340   2005-07-23   
810-673 1 Almont MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-04-12   
810-673 2 Almont MI   817J INTERACTIVE SERVICES NETWORK, INC. 340   2005-09-03   
810-673 3 Almont MI   792K CHARTER IP ENABLED SERVICES, LLC 340   2007-03-18   
810-673 4 Almont MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-09-01   
810-673 5 Almont MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-12-14   
810-673 7 Almont MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-12-30   
810-673 8 Almont MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2013-03-15   
810-673 9 Almont MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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