Local Calling Guide

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

NXX: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-440 A Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-440 1 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   
810-440 2 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   
810-440 3 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   
810-440 4 Clio-Mount Morris MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2022-10-13   
810-440 5 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   
810-440 6 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   
810-440 7 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   
810-440 8 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   
810-440 9 Clio-Mount Morris MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-19   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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