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.

OCN: 792K CHARTER IP ENABLED SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
985-792 7 Madisonville LA   490   2006-11-30   
985-792 9 Madisonville LA   490   2015-02-22   
985-796 4 Folsom LA   490   2006-11-30   
985-866 1 South Osyka LA   482   2022-07-03   
985-886 6 Bush LA   490   2006-11-30   
985-888 A Covington LA SLIDLADF0MD  490   2025-01-30   
985-888 1 Covington LA   490   2014-03-12   
985-888 6 Covington LA   490   2015-06-11   
985-898 9 Covington LA   490   2020-03-15   
985-900 2 Covington LA   490   2016-06-21   
985-951 2 Mandeville LA   490   2014-10-15   
985-956 7 Hammond LA   490   2012-07-16   
989-200 2 Pinconning MI   344   2012-10-05   
989-202 2 Houghton Lake MI   344   2007-03-18   
989-202 4 Houghton Lake MI   344   2008-09-04   
989-218 3 Hale MI   344   2014-12-29   
989-235 9 Crystal MI   344   2025-07-27   
989-244 6 Birch Run MI   344   2007-02-25   
989-248 2 Fenwick MI   344   2007-03-18   
989-256 3 Gladwin MI   344   2016-10-27   
989-257 1 Sixty Lakes MI   344   2014-12-29   
989-259 7 Midland MI   344   2015-10-31   
989-262 8 Frankenmuth MI   344   2007-02-25   
989-266 3 Auburn MI   344   2007-02-25   
989-268 4 Vestaburg MI   344   2016-09-24   
989-270 1 Saginaw MI   344   2018-08-12   
989-270 3 Saginaw MI   344   2019-04-21   
989-270 4 Saginaw MI   344   2020-12-13   
989-271 6 Gaines MI   340   2007-02-25   
989-273 1 Higgins Lake MI   344   2013-06-03   
989-281 1 Roscommon MI   344   2007-03-18   
989-283 1 Stanton MI   344   2007-03-18   
989-285 1 Alma MI   344   2007-03-18   
989-285 9 Alma MI   344   2012-05-28   
989-286 0 Caro MI   344   2018-05-20   
989-286 3 Caro MI   344   2012-10-05   
989-287 6 Lakeview MI   344   2014-07-30   
989-291 6 Sheridan MI   344   2007-03-18   
989-292 4 St Johns MI   344   2007-03-18   
989-296 1 Prescott MI   344   2013-11-30   
989-301 0 Hemlock MI   344   2007-03-18   
989-302 8 Houghton Lake MI   344   2016-06-11   
989-304 4 Edmore MI   344   2007-03-18   
989-305 6 East Tawas MI   344   2007-02-25   
989-309 8 Remus MI   344   2021-06-18   
989-316 1 Bay City MI   344   2008-03-24   
989-316 2 Bay City MI   344   2008-08-21   
989-317 0 Mount Pleasant MI   344   2007-03-18   
989-317 3 Mount Pleasant MI   344   2008-06-28   
989-317 8 Mount Pleasant MI   344   2012-05-31   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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