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: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-878 A Croswell MI CRSWMIMNRSA  9323 MICHIGAN BELL TEL CO 340      
810-878 0 Croswell MI   9323 MICHIGAN BELL TEL CO 340      
810-878 1 Croswell MI   829J PAETEC ITEL, LLC 340   2009-10-27   
810-878 2 Croswell MI   318J COMCAST IP PHONE, LLC 340   2020-05-01   
810-878 3 Croswell MI   939H COMMIO, LLC 340   2023-11-18   
810-878 4 Croswell MI   543C ONVOY, LLCV - MI 340   2016-04-11   
810-878 5 Croswell MI   543C ONVOY, LLCV - MI 340   2016-04-11   
810-878 6 Croswell MI   624H ONVOY SPECTRUM, LLC 340   2021-06-13   
810-878 7 Croswell MI   046L CLEAR RATE COMMUNICATIONS, LLC 340   2010-06-12   
810-878 8 Croswell MI   516J TON80 COMMUNICATIONS, LLC 340   2022-03-31   
810-878 9 Croswell MI   939H COMMIO, LLC 340   2023-11-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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