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: GDRPMIBL15Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-524 6 Grattan MI 516C AT&T CORP. 348   2011-12-13   
616-536 6 Caledonia MI 516C AT&T CORP. 348   2007-02-22   
616-537 5 Lake Odessa MI 516C AT&T CORP. 348   2013-11-08   
616-541 7 Dutton MI 516C AT&T CORP. 348   2006-06-30   
616-557 5 Sand Lake MI 516C AT&T CORP. 348   2011-08-23   
616-577 6 Saranac MI 516C AT&T CORP. 348   2011-01-31   
616-607 7 Grand Haven MI 516C AT&T CORP. 348   2006-06-30   
616-649 0 Grand Rapids MI 516C AT&T CORP. 348   2016-06-05   
616-675 9 Casnovia MI 516C AT&T CORP. 348   2011-08-23   
616-677 4 Marne MI 516C AT&T CORP. 348   2013-02-22   
616-681 7 Dorr MI 516C AT&T CORP. 348   2011-01-31   
616-682 3 Ada MI 516C AT&T CORP. 348   2007-02-21   
616-724 4 Grand Rapids MI 516C AT&T CORP. 348      
616-765 9 Freeport MI 516C AT&T CORP. 348   2011-08-23   
616-797 4 Hudsonville MI 516C AT&T CORP. 348   2006-07-07   
616-805 3 Grand Rapids MI 516C AT&T CORP. 348   2009-01-30   
616-841 6 Ionia MI 516C AT&T CORP. 348   2011-08-23   
616-848 7 Holland MI 516C AT&T CORP. 348   2006-06-30   
616-884 A Rockford MI 516C AT&T CORP. 348      
616-884 3 Rockford MI 516C AT&T CORP. 348   2007-01-04   
616-931 7 Zeeland MI 516C AT&T CORP. 348   2005-12-22   
616-952 5 Kent City MI 516C AT&T CORP. 348   2011-08-23   
616-984 8 Trufant MI 516C AT&T CORP. 348   2011-08-23   
616-987 5 Lowell MI 516C AT&T CORP. 348   2007-02-22   

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

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