Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-962 1 Northville MI 939H COMMIO, LLC 340   2021-10-11   
248-962 9 Northville MI 939H COMMIO, LLC 340   2021-10-11   
313-380 9 Detroit Zone 6 MI 939H COMMIO, LLC 340   2021-07-03   
313-476 0 Detroit Zone 6 MI 939H COMMIO, LLC 340   2021-07-03   
313-476 8 Detroit Zone 6 MI 939H COMMIO, LLC 340   2021-07-03   
313-476 9 Detroit Zone 6 MI 939H COMMIO, LLC 340   2021-07-03   
313-488 A Detroit Zone 1 MI 939H COMMIO, LLC 340      
313-488 8 Detroit Zone 1 MI 939H COMMIO, LLC 340   2019-06-23   
313-514 0 Detroit Zone 4 MI 939H COMMIO, LLC 340   2021-08-29   
313-514 1 Detroit Zone 4 MI 939H COMMIO, LLC 340   2021-08-29   
313-514 2 Detroit Zone 4 MI 939H COMMIO, LLC 340   2021-08-29   
313-514 8 Detroit Zone 4 MI 939H COMMIO, LLC 340   2021-08-29   
313-514 9 Detroit Zone 4 MI 939H COMMIO, LLC 340   2021-08-29   
313-547 0 Detroit Zone 5 MI 939H COMMIO, LLC 340   2021-08-29   
313-547 1 Detroit Zone 5 MI 939H COMMIO, LLC 340   2021-08-29   
313-547 2 Detroit Zone 5 MI 939H COMMIO, LLC 340   2021-08-29   
313-547 3 Detroit Zone 5 MI 939H COMMIO, LLC 340   2021-08-29   
313-547 8 Detroit Zone 5 MI 939H COMMIO, LLC 340   2021-08-29   
517-537 0 Howell MI 939H COMMIO, LLC 340   2021-10-11   
517-579 3 Howell MI 939H COMMIO, LLC 340   2021-10-11   
517-579 5 Howell MI 939H COMMIO, LLC 340   2021-10-11   
517-579 9 Howell MI 939H COMMIO, LLC 340   2021-10-11   
586-284 0 Washington MI 939H COMMIO, LLC 340   2021-10-11   
586-284 1 Washington MI 939H COMMIO, LLC 340   2021-10-11   
586-284 8 Washington MI 939H COMMIO, LLC 340   2021-10-11   
586-284 9 Washington MI 939H COMMIO, LLC 340   2021-10-11   
586-287 5 Mount Clemens MI 939H COMMIO, LLC 340   2021-08-29   
586-287 6 Mount Clemens MI 939H COMMIO, LLC 340   2021-08-29   
586-287 7 Mount Clemens MI 939H COMMIO, LLC 340   2021-08-29   
586-287 8 Mount Clemens MI 939H COMMIO, LLC 340   2021-08-29   
586-287 9 Mount Clemens MI 939H COMMIO, LLC 340   2021-08-29   
586-316 0 Warren MI 939H COMMIO, LLC 340   2021-10-11   
586-316 1 Warren MI 939H COMMIO, LLC 340   2021-10-11   
586-316 2 Warren MI 939H COMMIO, LLC 340   2021-10-11   
586-316 8 Warren MI 939H COMMIO, LLC 340   2021-10-11   
586-316 9 Warren MI 939H COMMIO, LLC 340   2021-10-11   
586-334 1 Roseville MI 939H COMMIO, LLC 340   2021-10-11   
586-334 2 Roseville MI 939H COMMIO, LLC 340   2021-10-11   
586-334 3 Roseville MI 939H COMMIO, LLC 340   2021-10-11   
586-334 8 Roseville MI 939H COMMIO, LLC 340   2021-10-11   
586-334 9 Roseville MI 939H COMMIO, LLC 340   2021-10-11   
586-544 0 Utica MI 939H COMMIO, LLC 340   2021-10-11   
586-544 1 Utica MI 939H COMMIO, LLC 340   2021-10-11   
586-544 3 Utica MI 939H COMMIO, LLC 340   2021-10-11   
586-544 9 Utica MI 939H COMMIO, LLC 340   2021-10-11   
586-930 9 Utica MI 939H COMMIO, LLC 340   2021-10-11   
734-332 2 Ann Arbor MI 939H COMMIO, LLC 340   2021-09-16   
734-337 9 Ypsilanti MI 939H COMMIO, LLC 340   2021-10-14   
734-448 9 Ypsilanti MI 939H COMMIO, LLC 340   2021-10-14   
734-463 0 Plymouth MI 939H COMMIO, LLC 340   2021-10-14   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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