Local Calling Guide

Area code/prefix search

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

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-420 A Marine City MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-420 0 Marine City MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2005-03-23   
810-420 1 Marine City MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-02-24   
810-420 2 Marine City MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2005-04-07   
810-420 3 Marine City MI ANARMIMNX8X  3535 ACD TELECOM, INC. - MI 340   2005-07-28   
810-420 4 Marine City MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-420 5 Marine City MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2005-08-13   
810-420 7 Marine City MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2009-05-01   
810-420 8 Marine City MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-03-28   
810-420 9 Marine City MI SFLDMIDICA0  2550 123.NET, LLC 340   2003-03-09   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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