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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-220 8 Birmingham MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-11-02   
248-228 1 Southfield MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-11   
248-237 2 Auburn Heights MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-11-07   
248-255 0 Walled Lake MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-12   
248-257 7 Drayton Plains MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-18   
248-406 7 West Bloomfield MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-25   
248-418 6 Pontiac MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-09-05   
248-450 2 Southfield MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2015-08-01   
248-528 7 Troy MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-12-04   
248-558 1 Clarkston MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2012-01-13   
248-586 4 Royal Oak MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-09-21   
248-667 0 South Lyon MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2009-05-28   
248-679 0 Northville MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-11-02   
248-690 0 Lake Orion MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-06-28   
248-716 2 Commerce MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2010-05-22   
248-805 A Rochester MI 528A FIRST COMMUNICATIONS, LLC - MI 340      
248-805 0 Rochester MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-04-01   
248-876 8 Farmington MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2009-07-31   
313-202 2 Detroit Zone 1 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-08-03   
313-294 7 Detroit Zone 6 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-18   
313-423 9 Detroit Zone 2 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-09-21   
313-564 6 Detroit Zone 3 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-09-05   
313-653 7 Detroit Zone 4 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-10   
313-693 1 Detroit Zone 5 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-14   
313-818 2 Detroit Zone 1 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2015-06-12   
313-818 5 Detroit Zone 1 MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2015-06-12   
517-579 1 Howell MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-27   
586-210 A New Baltimore MI 528A FIRST COMMUNICATIONS, LLC - MI 340      
586-210 1 New Baltimore MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2013-07-13   
586-218 1 Roseville MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-12   
586-275 3 Warren MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-10-17   
586-329 2 Mount Clemens MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-17   
586-336 8 Romeo MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2009-05-28   
586-467 3 Center Line MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2009-05-28   
586-685 6 Utica MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2009-05-28   
734-229 8 Romulus MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2010-08-06   
734-252 7 Belleville MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2010-06-25   
734-309 4 Wyandotte MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2011-05-30   
734-335 5 Plymouth MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2010-08-26   
734-405 3 Wayne MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2009-01-07   
734-452 8 Livonia MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-07-27   
734-619 2 Ann Arbor MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-11-22   
734-695 7 Ypsilanti MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-12-26   
734-726 1 Dexter MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2009-12-28   
734-731 8 Monroe MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2010-01-11   
734-818 2 Trenton MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2012-03-22   
810-294 6 Port Huron MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2011-08-06   
810-335 6 Algonac MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2016-05-05   
810-355 9 Brighton MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2010-04-09   
810-410 0 Flint MI 528A FIRST COMMUNICATIONS, LLC - MI 340   2008-09-19   

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

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