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: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-315 A Dryden MI SFLDMIDICA0  2550 123.NET, LLC 340      
810-315 0 Dryden MI ANARMIMNX8X  3535 ACD TELECOM, INC. - MI 340   2005-07-23   
810-315 6 Dryden MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-05-01   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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