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
779-877 2 Verona IL 224C ONVOY, LLC 358   2020-10-23   
779-877 5 Verona IL 224C ONVOY, LLC 358   2021-09-10   
779-899 2 Lisbon IL 224C ONVOY, LLC 358   2021-02-12   
779-899 3 Lisbon IL 224C ONVOY, LLC 358   2021-02-12   
779-899 4 Lisbon IL 224C ONVOY, LLC 358   2021-02-12   
779-900 2 Frankfort IL 224C ONVOY, LLC 358   2020-08-07   
779-900 3 Frankfort IL 224C ONVOY, LLC 358   2020-08-07   
779-901 1 Marengo IL 224C ONVOY, LLC 358   2016-03-21   
779-901 2 Marengo IL 224C ONVOY, LLC 358   2016-03-21   
779-901 5 Marengo IL 224C ONVOY, LLC 358   2021-04-23   
779-901 6 Marengo IL 224C ONVOY, LLC 358   2021-04-23   
779-903 A Braidwood IL 224C ONVOY, LLC 358      
779-903 0 Braidwood IL 224C ONVOY, LLC 358   2013-09-12   
779-903 1 Braidwood IL 224C ONVOY, LLC 358   2013-09-12   
779-903 2 Braidwood IL 224C ONVOY, LLC 358   2013-09-12   
779-903 6 Braidwood IL 224C ONVOY, LLC 358   2014-09-29   
779-903 7 Braidwood IL 224C ONVOY, LLC 358   2014-09-29   
779-903 8 Braidwood IL 224C ONVOY, LLC 358   2016-03-28   
779-903 9 Braidwood IL 224C ONVOY, LLC 358   2016-03-28   
779-927 0 Marengo IL 224C ONVOY, LLC 358   2024-03-03   
779-931 8 Sandwich IL 224C ONVOY, LLC 358   2024-05-11   
779-939 0 Joliet IL 224C ONVOY, LLC 358   2016-03-20   
779-939 1 Joliet IL 224C ONVOY, LLC 358   2016-03-20   
779-946 4 Granville IL 224C ONVOY, LLC 358   2021-02-12   
779-946 5 Granville IL 224C ONVOY, LLC 358   2021-02-12   
779-946 6 Granville IL 224C ONVOY, LLC 358   2021-02-12   
779-977 3 Harvard IL 224C ONVOY, LLC 358   2021-11-18   
779-978 7 Sandwich IL 224C ONVOY, LLC 358   2019-08-24   
779-991 A Leland IL 224C ONVOY, LLC 358      
779-991 1 Leland IL 224C ONVOY, LLC 358   2020-10-11   
779-991 2 Leland IL 224C ONVOY, LLC 358   2021-02-12   
779-991 3 Leland IL 224C ONVOY, LLC 358   2021-02-12   
779-991 4 Leland IL 224C ONVOY, LLC 358   2021-02-12   
779-994 1 Crystal Lake IL 224C ONVOY, LLC 358   2016-01-21   
779-994 8 Crystal Lake IL 224C ONVOY, LLC 358   2016-03-11   
779-994 9 Crystal Lake IL 224C ONVOY, LLC 358   2016-03-11   
779-999 3 Newark IL 224C ONVOY, LLC 358   2015-08-04   
779-999 4 Newark IL 224C ONVOY, LLC 358   2016-04-11   
779-999 5 Newark IL 224C ONVOY, LLC 358   2016-04-11   
815-201 8 Sheridan IL 224C ONVOY, LLC 358   2019-08-24   
815-205 0 Coal City IL 224C ONVOY, LLC 358   2016-03-25   
815-205 1 Coal City IL 224C ONVOY, LLC 358   2016-03-25   
815-205 2 Coal City IL 224C ONVOY, LLC 358   2017-06-16   
815-205 3 Coal City IL 224C ONVOY, LLC 358   2014-04-07   
815-205 4 Coal City IL 224C ONVOY, LLC 358   2016-06-12   
815-205 5 Coal City IL 224C ONVOY, LLC 358   2016-06-12   
815-205 6 Coal City IL 224C ONVOY, LLC 358   2018-09-16   
815-205 9 Coal City IL 224C ONVOY, LLC 358   2018-12-27   
815-215 1 New Lenox IL 224C ONVOY, LLC 358   2004-09-15   
815-221 8 Lockport IL 224C ONVOY, LLC 358   2010-02-14   

<< 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: LES.NET

Like this site? We accept donations via PayPal.