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.

Switch: SFLDMIWKDS3

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
810-406 1 Flint MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2009-09-23   
810-406 2 Flint MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2009-09-23   
810-406 3 Flint MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2009-08-20   
810-433 1 Fenton MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2008-09-01   
810-433 2 Fenton MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2008-09-01   
810-519 2 Fenton MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2008-09-01   
810-593 8 Fenton MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2009-02-11   
947-517 8 Southfield MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2008-10-04   
947-517 9 Southfield MI 260E YMAX COMMUNICATIONS CORP. - MI 340   2007-07-28   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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