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: STLSMOWQDS2

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-809 5 Mount Vernon IL 224C ONVOY, LLC 520   2023-08-12   
618-809 6 Mount Vernon IL 224C ONVOY, LLC 520   2024-03-08   
618-812 A Iuka IL 224C ONVOY, LLC 520      
618-812 0 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 1 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 2 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 3 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 4 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 5 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 6 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 7 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 8 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-812 9 Iuka IL 224C ONVOY, LLC 520   2023-02-05   
618-815 2 East St Louis IL 224C ONVOY, LLC 520   2022-12-28   
618-815 4 East St Louis IL 224C ONVOY, LLC 520   2023-05-27   
618-815 9 East St Louis IL 224C ONVOY, LLC 520   2023-09-11   
618-816 0 Mount Vernon IL 224C ONVOY, LLC 520   2016-09-07   
618-816 7 Mount Vernon IL 224C ONVOY, LLC 520   2016-09-07   
618-816 8 Mount Vernon IL 224C ONVOY, LLC 520   2016-04-22   
618-816 9 Mount Vernon IL 224C ONVOY, LLC 520   2016-04-22   
618-822 2 Kell IL 224C ONVOY, LLC 520   2016-09-07   
618-822 3 Kell IL 224C ONVOY, LLC 520   2016-09-07   
618-822 4 Kell IL 224C ONVOY, LLC 520   2019-09-07   
618-831 2 Edwardsville IL 224C ONVOY, LLC 520   2023-08-12   
618-831 3 Edwardsville IL 224C ONVOY, LLC 520   2023-08-12   
618-831 4 Edwardsville IL 224C ONVOY, LLC 520   2023-08-12   
618-831 5 Edwardsville IL 224C ONVOY, LLC 520   2023-08-12   
618-831 6 Edwardsville IL 224C ONVOY, LLC 520   2023-08-12   
618-831 8 Edwardsville IL 224C ONVOY, LLC 520   2024-03-08   
618-831 9 Edwardsville IL 224C ONVOY, LLC 520   2024-03-08   
618-836 3 Shipman IL 224C ONVOY, LLC 520   2018-07-29   
618-836 4 Shipman IL 224C ONVOY, LLC 520   2019-07-29   
618-836 8 Shipman IL 224C ONVOY, LLC 520   2019-07-29   
618-844 4 Carlyle IL 224C ONVOY, LLC 520   2017-12-11   
618-844 8 Carlyle IL 224C ONVOY, LLC 520   2016-09-07   
618-844 9 Carlyle IL 224C ONVOY, LLC 520   2016-09-07   
618-848 A Centralia IL 224C ONVOY, LLC 520      
618-848 3 Centralia IL 224C ONVOY, LLC 520   2022-07-07   
618-855 A Collinsville IL 224C ONVOY, LLC 520      
618-855 0 Collinsville IL 224C ONVOY, LLC 520   2008-07-11   
618-860 1 Germantown IL 224C ONVOY, LLC 520   2023-10-08   
618-860 6 Germantown IL 224C ONVOY, LLC 520   2022-10-24   
618-870 0 Bethalto IL 224C ONVOY, LLC 520   2024-03-03   
618-872 1 Glen Carbon IL 224C ONVOY, LLC 520   2023-10-16   
618-872 2 Glen Carbon IL 224C ONVOY, LLC 520   2023-10-16   
618-872 3 Glen Carbon IL 224C ONVOY, LLC 520   2023-10-16   
618-872 4 Glen Carbon IL 224C ONVOY, LLC 520   2023-10-16   
618-872 5 Glen Carbon IL 224C ONVOY, LLC 520   2023-10-16   
618-872 8 Glen Carbon IL 224C ONVOY, LLC 520   2024-03-02   
618-872 9 Glen Carbon IL 224C ONVOY, LLC 520   2024-04-04   

<< 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 >>

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.