Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-206 1 Royal Oak MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2014-05-01   
248-218 6 Rochester MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-234 9 Southfield MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2014-03-15   
248-243 3 Auburn Heights MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-256 8 Oxford MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-264 9 South Lyon MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-283 8 Birmingham MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-305 1 Northville MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-313 5 Walled Lake MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-385 0 Birmingham MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2014-03-06   
248-387 6 Commerce MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-394 3 Clarkston MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-414 1 Royal Oak MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2010-03-15   
248-419 3 West Bloomfield MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-448 9 Southfield MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
248-461 8 Drayton Plains MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-556 7 Royal Oak MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-579 1 Farmington MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-595 A Southfield MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
248-595 0 Southfield MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-06-22   
248-598 6 Auburn Heights MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2014-09-26   
248-602 4 Troy MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2012-09-28   
248-630 7 Pontiac MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-657 A Clarkston MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
248-657 1 Clarkston MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2014-10-26   
248-687 7 Troy MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-690 4 Lake Orion MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
248-710 A Rochester MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
248-710 1 Rochester MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2015-04-18   
248-731 1 Birmingham MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2011-01-29   
248-781 9 Troy MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2016-11-07   
248-847 4 West Bloomfield MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2016-11-07   
248-861 0 Clarkston MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
248-878 2 Troy MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2011-10-28   
248-912 0 Northville MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
248-940 0 Birmingham MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-06-23   
248-951 0 Royal Oak MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2016-11-07   
248-951 1 Royal Oak MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
248-963 9 Rochester MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
248-972 2 Pontiac MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2014-04-16   
313-324 8 Detroit Zone 1 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-359 8 Detroit Zone 6 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-365 3 Detroit Zone 3 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-379 0 Detroit Zone 1 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
313-651 8 Detroit Zone 4 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-676 4 Detroit Zone 5 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-821 7 Detroit Zone 2 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-936 1 Detroit Zone 2 MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2015-04-04   
517-518 3 Howell MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
586-248 9 Richmond MI 9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2011-02-17   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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