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: CHCGIL24DS6

<< 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 93 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-880 9 Lake Forest IL 224C ONVOY, LLC 358   2012-10-01   
224-888 3 Cary IL 224C ONVOY, LLC 358   2012-10-01   
224-888 5 Cary IL 224C ONVOY, LLC 358   2014-05-31   
224-899 7 Wheeling IL 224C ONVOY, LLC 358   2020-09-12   
224-899 8 Wheeling IL 224C ONVOY, LLC 358   2020-09-12   
224-900 4 Wheeling IL 224C ONVOY, LLC 358   2013-05-20   
224-900 5 Wheeling IL 224C ONVOY, LLC 358   2013-05-20   
224-901 3 Fox Lake IL 224C ONVOY, LLC 358   2016-03-21   
224-901 4 Fox Lake IL 224C ONVOY, LLC 358   2016-03-21   
224-901 6 Fox Lake IL 224C ONVOY, LLC 358   2021-08-12   
224-901 9 Fox Lake IL 224C ONVOY, LLC 358   2015-08-04   
224-904 0 Northbrook IL 224C ONVOY, LLC 358   2016-05-16   
224-904 1 Northbrook IL 224C ONVOY, LLC 358   2016-05-16   
224-904 2 Northbrook IL 224C ONVOY, LLC 358   2016-08-01   
224-904 4 Northbrook IL 224C ONVOY, LLC 358   2016-08-01   
224-904 5 Northbrook IL 224C ONVOY, LLC 358   2016-08-01   
224-904 6 Northbrook IL 224C ONVOY, LLC 358   2016-08-01   
224-904 7 Northbrook IL 224C ONVOY, LLC 358   2016-08-01   
224-908 1 Fox Lake IL 224C ONVOY, LLC 358   2016-03-04   
224-908 2 Fox Lake IL 224C ONVOY, LLC 358   2016-03-04   
224-922 3 Winnetka IL 224C ONVOY, LLC 358   2020-10-23   
224-922 4 Winnetka IL 224C ONVOY, LLC 358   2020-10-23   
224-922 5 Winnetka IL 224C ONVOY, LLC 358   2021-02-12   
224-922 6 Winnetka IL 224C ONVOY, LLC 358   2021-02-12   
224-927 9 Northbrook IL 224C ONVOY, LLC 358   2007-06-29   
224-931 0 Libertyville IL 224C ONVOY, LLC 358   2016-03-07   
224-931 2 Libertyville IL 224C ONVOY, LLC 358   2016-03-07   
224-933 9 Round Lake IL 224C ONVOY, LLC 358   2023-08-12   
224-938 7 Des Plaines IL 224C ONVOY, LLC 358   2010-07-16   
224-946 4 Waukegan IL 224C ONVOY, LLC 358   2020-09-06   
224-946 9 Waukegan IL 224C ONVOY, LLC 358   2020-09-06   
224-955 0 Roselle IL 224C ONVOY, LLC 358   2022-12-22   
224-955 1 Roselle IL 224C ONVOY, LLC 358   2020-10-23   
224-955 2 Roselle IL 224C ONVOY, LLC 358   2020-10-23   
224-955 3 Roselle IL 224C ONVOY, LLC 358   2021-02-18   
224-955 4 Roselle IL 224C ONVOY, LLC 358   2021-02-18   
224-955 6 Roselle IL 224C ONVOY, LLC 358   2021-02-18   
224-955 7 Roselle IL 224C ONVOY, LLC 358   2021-02-18   
224-955 8 Roselle IL 224C ONVOY, LLC 358   2021-02-18   
224-955 9 Roselle IL 224C ONVOY, LLC 358   2022-12-22   
224-970 1 Bartlett IL 224C ONVOY, LLC 358   2016-01-11   
224-970 2 Bartlett IL 224C ONVOY, LLC 358   2019-07-07   
224-970 3 Bartlett IL 224C ONVOY, LLC 358   2019-07-07   
224-970 6 Bartlett IL 224C ONVOY, LLC 358   2020-09-06   
224-970 7 Bartlett IL 224C ONVOY, LLC 358   2020-09-06   
224-985 2 Park Ridge IL 224C ONVOY, LLC 358   2016-03-11   
224-985 4 Park Ridge IL 224C ONVOY, LLC 358   2016-03-11   
224-985 5 Park Ridge IL 224C ONVOY, LLC 358   2016-02-19   
224-985 6 Park Ridge IL 224C ONVOY, LLC 358   2019-09-06   
224-990 1 Plato Center IL 224C ONVOY, LLC 358   2012-09-30   

<< 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 93 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.