Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 586 [Rate centres in NPA 586] [Dial plan for NPA 586]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-578 A Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 0 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 1 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 2 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 3 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 4 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 5 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 6 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 7 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 8 Center Line MI WRRNMITLDS0  9323 MICHIGAN BELL TEL CO 340      
586-578 9 Center Line MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2014-12-19   

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

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