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.

NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

<< 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 Switch OCN LATA LIR Eff date Disc date
309-481 8 Washington IL PEORILPJX8Z  073H TELNYX LLC 368   2020-07-20   
309-481 9 Washington IL PEORILPJDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-05   
309-482 A Alexis IL ALXSILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-483 A Oneida IL ONEDILXDDS0  1066 ONEIDA TEL. EXCH. 977      
309-484 A Altona IL VCTAILXDRS0  1054 MID CENTURY TEL. COOP., INC. 977      
309-485 A Hudson IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-485 1 Hudson IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
309-485 3 Hudson IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-02   
309-485 4 Hudson IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-485 5 Hudson IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-02-12   
309-485 6 Hudson IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-04-03   
309-485 7 Hudson IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-485 8 Hudson IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-485 9 Hudson IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-486 A London Mills IL LNMLILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
309-487 A Downs IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-487 1 Downs IL BLTNILXDX1Y  073H TELNYX LLC 366   2020-07-06   
309-487 2 Downs IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-02-12   
309-487 3 Downs IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-04-03   
309-487 4 Downs IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-487 5 Downs IL BLTNILTS7MD  145J TERRA NOVA TELECOM INC. 366   2024-02-10   
309-487 6 Downs IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-07-04   
309-487 7 Downs IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-487 8 Downs IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-487 9 Downs IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-488 A Farmer City IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-488 1 Farmer City IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
309-488 2 Farmer City IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-04-23   
309-488 3 Farmer City IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-02   
309-488 4 Farmer City IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-488 5 Farmer City IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-07-04   
309-488 7 Farmer City IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-488 8 Farmer City IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2020-10-14   
309-488 9 Farmer City IL BLTNILXDX9Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 366   2024-09-01   
309-489 A Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634      
309-489 0 Geneseo IL GENSILXD2MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634   2010-04-15   
309-489 1 Geneseo IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634   2025-04-11   
309-489 2 Geneseo IL DVNPIAEAXMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634   2024-07-26   
309-489 3 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2020-04-27   
309-489 4 Geneseo IL GENSILXD2MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634   2006-03-10   
309-489 5 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2019-10-16   
309-489 6 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2003-12-06   
309-489 7 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2019-03-19   
309-489 8 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2019-03-19   
309-489 9 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2009-08-30   
309-490 A Lexington IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-490 0 Lexington IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2020-10-14   
309-490 1 Lexington IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
309-490 2 Lexington IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366   2017-06-16   
309-490 3 Lexington IL BLTNILXDWMD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 366   2015-04-15   
309-490 4 Lexington IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-490 5 Lexington IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-04-23   
309-490 6 Lexington IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-08   
309-490 7 Lexington IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-490 8 Lexington IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-490 9 Lexington IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-491 A McLean IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-491 1 McLean IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
309-491 4 McLean IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-491 7 McLean IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-491 8 McLean IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-491 9 McLean IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-492 A Campgrove IL PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368      
309-492 0 Campgrove IL PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368      
309-492 1 Campgrove IL PEORILPJDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-01   
309-492 3 Campgrove IL KEWNILXDIMD  224C ONVOY, LLC 368   2021-02-12   
309-492 4 Campgrove IL KEWNILXDIMD  224C ONVOY, LLC 368   2020-06-15   
309-492 5 Campgrove IL KEWNILXDIMD  224C ONVOY, LLC 368   2021-04-03   
309-492 7 Campgrove IL PEORILPJX1Z  508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-08-02   
309-492 9 Campgrove IL PEORILPJXRZ  495J STRATUS NETWORKS 368   2020-08-03   
309-493 A Campgrove IL CMGVILXERS1  1015 FRONTIER NORTH, INC. - IL 368      
309-493 1 Campgrove IL CMGVILXERS1  1015 FRONTIER NORTH, INC. - IL 368      
309-493 5 Campgrove IL CMGVILXERS1  1015 FRONTIER NORTH, INC. - IL 368      
309-493 7 Campgrove IL CMGVILXERS1  1015 FRONTIER NORTH, INC. - IL 368      
309-493 8 Campgrove IL KEWNILXDFMD  624H ONVOY SPECTRUM, LLC 368   2023-07-08   
309-494 A Peoria IL PEORILPJDS1  9329 ILLINOIS BELL TEL CO 368      
309-495 A Peoria IL PEORILPJDS1  9329 ILLINOIS BELL TEL CO 368      
309-496 A Hampton IL HMPNILXDDS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-497 A Peoria IL PEORILPJDS1  9329 ILLINOIS BELL TEL CO 368      
309-498 A Heyworth IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-498 0 Heyworth IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-498 1 Heyworth IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
309-498 2 Heyworth IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-02   
309-498 3 Heyworth IL BLTNILXDX1Y  073H TELNYX LLC 366   2020-07-10   
309-498 4 Heyworth IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-498 5 Heyworth IL BLTNILXDXSX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 366   2019-03-25   
309-498 6 Heyworth IL BLTNILXDX0X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 366   2018-05-28   
309-498 7 Heyworth IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-498 8 Heyworth IL BLTNILXDXSX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 366   2015-06-27   
309-498 9 Heyworth IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-499 A Le Roy IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-499 0 Le Roy IL   145J TERRA NOVA TELECOM INC. 366   2022-11-02   
309-499 1 Le Roy IL BLTNILXDX1Y  073H TELNYX LLC 366   2020-07-13   
309-499 4 Le Roy IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-02-26   
309-499 6 Le Roy IL BLTNILXDX0X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 366   2019-08-16   
309-499 8 Le Roy IL BLTNILTSX1X  490J DISH WIRELESS, LLC 366   2023-11-13   
309-499 9 Le Roy IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2020-10-14   
309-500 A Summum IL PEORILPBGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 368      
309-501 A Washington IL PEORILPJX1Y  6529 T-MOBILE USA, INC. 368      
309-501 0 Washington IL PEORILPJXYX  224C ONVOY, LLC 368   2024-08-22   

<< 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, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.