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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
509-584 A Wapato WA   676      
509-584 0 Wapato WA   676   2007-07-07   
509-619 A Kennewick WA   676      
509-619 0 Kennewick WA   676   2007-05-02   
509-620 8 Coulee Dam WA   676   2019-05-22   
509-644 A Loon Lake WA   676      
509-644 0 Loon Lake WA   676   2017-10-08   
509-653 8 Naches WA   676   2025-03-30   
509-673 9 Tieton WA   676   2025-03-30   
509-678 3 Cowiche WA   676   2025-03-30   
509-685 7 Colville WA   676   2016-06-25   
509-698 2 Selah WA   676   2013-10-31   
509-713 7 Richland WA   676   2011-06-02   
509-738 9 Kettle Falls WA   676   2016-07-10   
509-748 4 Dallesport WA   672   2008-05-18   
509-781 6 Prosser WA   676   2007-06-23   
509-792 1 Pasco WA   676   2014-02-27   
509-820 3 Kennewick WA   676   2014-12-11   
509-823 4 Yakima WA   676   2008-07-25   
509-873 0 Kennewick WA   676   2018-12-04   
509-876 A Walla Walla WA   676      
509-876 0 Walla Walla WA   676   2015-11-12   
509-876 2 Walla Walla WA   676   2007-05-02   
509-876 4 Walla Walla WA   676   2008-07-25   
509-876 8 Walla Walla WA   676   2012-12-01   
509-895 6 Yakima WA   676   2018-10-07   
509-895 7 Yakima WA   676   2007-05-02   
509-896 6 Mabton WA   676   2007-06-23   
509-902 A Yakima WA   676      
509-902 1 Yakima WA   676   2016-07-29   
509-902 8 Yakima WA   676   2018-01-07   
509-936 9 Chewelah WA   676   2017-08-30   
509-940 5 Richland WA   676   2017-07-23   
509-940 9 Richland WA   676   2017-12-03   
509-968 5 Ellensburg WA   676   2013-10-31   
509-987 1 Kennewick WA   676   2010-05-27   
517-238 6 Coldwater Lake MI   348   2007-02-25   
517-296 8 Montgomery MI   346   2017-07-08   
517-376 9 Howell MI   340   2007-02-25   
517-583 1 Tekonsha MI   348   2007-02-25   
517-639 2 Quincy MI   348   2007-02-25   
517-695 1 Ransom MI   346   2026-03-01   
517-705 2 Burlington MI   348   2007-02-25   
517-793 1 Litchfield MI   346   2012-10-05   
517-858 1 Bronson MI   348   2007-02-25   
517-891 5 Frontier MI   346   2026-02-22   
517-901 A Reading MI LNNGMIMN17Z  346   2025-02-13   
517-901 0 Reading MI   346   2007-11-19   
517-919 9 Laingsburg MI   346   2024-09-15   
517-924 A Coldwater MI   348      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.