Local Calling Guide

Area code/prefix search

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

NXX: 891

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-891 A Sandusky MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-891 0 Sandusky MI SFLDMIMK9MD  145J TERRA NOVA TELECOM INC. 340   2024-05-10   
810-891 1 Sandusky MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-04-11   
810-891 3 Sandusky MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-04-11   
810-891 5 Sandusky MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-03-31   
810-891 6 Sandusky MI   145J TERRA NOVA TELECOM INC. 340   2025-10-04   
810-891 9 Sandusky MI   145J TERRA NOVA TELECOM INC. 340   2025-02-13   

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

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