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: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-905 9 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-11-07   
773-906 A Chicago Zone 11-O'Hare IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-906 1 Chicago Zone 11-O'Hare IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-906 2 Chicago Zone 11-O'Hare IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-906 3 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-16   
773-906 4 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2015-07-27   
773-906 5 Chicago Zone 11-O'Hare IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-906 6 Chicago Zone 11-O'Hare IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-906 7 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2020-02-24   
773-906 8 Chicago Zone 11-O'Hare IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
773-906 9 Chicago Zone 11-O'Hare IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
773-907 A Chicago Zone 02-Edgewater IL CHCGILEDDS0  9329 ILLINOIS BELL TEL CO 358      
773-908 A Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-909 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-910 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-912 A Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-912 0 Chicago Zone 08-Portsmouth IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-04-11   
773-912 2 Chicago Zone 08-Portsmouth IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-05-31   
773-912 3 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-03-19   
773-912 4 Chicago Zone 08-Portsmouth IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2004-10-01   
773-912 5 Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-912 6 Chicago Zone 08-Portsmouth IL CHCGILCLXOX  516C AT&T CORP. 358   2006-07-07   
773-912 7 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-03-19   
773-912 8 Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-913 A Chicago Zone 09-South Chicago IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 0 Chicago Zone 09-South Chicago IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 1 Chicago Zone 09-South Chicago IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 2 Chicago Zone 09-South Chicago IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 3 Chicago Zone 09-South Chicago IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 4 Chicago Zone 09-South Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-913 5 Chicago Zone 09-South Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-913 6 Chicago Zone 09-South Chicago IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 7 Chicago Zone 09-South Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-913 8 Chicago Zone 09-South Chicago IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 9 Chicago Zone 09-South Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-914 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-914 0 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-914 1 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-914 2 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-914 3 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-914 4 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-914 5 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-914 9 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-915 A Chicago Zone 07-Hyde Park IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-915 0 Chicago Zone 07-Hyde Park IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-02-26   
773-915 3 Chicago Zone 07-Hyde Park IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2005-06-08   
773-915 4 Chicago Zone 07-Hyde Park IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-03-02   
773-915 6 Chicago Zone 07-Hyde Park IL CHCGIL245MD  073H TELNYX LLC 358   2021-03-29   
773-915 7 Chicago Zone 07-Hyde Park IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-03-05   
773-915 8 Chicago Zone 07-Hyde Park IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-915 9 Chicago Zone 07-Hyde Park IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-916 A Chicago Zone 06-Kedzie IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-916 0 Chicago Zone 06-Kedzie IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-10-29   
773-916 1 Chicago Zone 06-Kedzie IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-11-11   
773-916 2 Chicago Zone 06-Kedzie IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-07-20   
773-916 3 Chicago Zone 06-Kedzie IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-07-20   
773-916 4 Chicago Zone 06-Kedzie IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2011-03-03   
773-916 5 Chicago Zone 06-Kedzie IL CHCGIL24DS6  224C ONVOY, LLC 358   2011-03-23   
773-916 6 Chicago Zone 06-Kedzie IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
773-916 7 Chicago Zone 06-Kedzie IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
773-916 8 Chicago Zone 06-Kedzie IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
773-916 9 Chicago Zone 06-Kedzie IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-10-29   
773-917 A Chicago Zone 11-O'Hare IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-917 0 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2018-12-27   
773-917 1 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2018-12-27   
773-917 2 Chicago Zone 11-O'Hare IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-917 3 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-19   
773-917 4 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-19   
773-917 5 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-19   
773-917 6 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-19   
773-917 7 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-19   
773-917 8 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2015-12-28   
773-917 9 Chicago Zone 11-O'Hare IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-918 A Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 0 Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 1 Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 2 Chicago Zone 08-Prospect IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-03-07   
773-918 3 Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 4 Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 5 Chicago Zone 08-Prospect IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-03-19   
773-918 6 Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 7 Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 8 Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 ILLINOIS BELL TEL CO 358      
773-918 9 Chicago Zone 08-Prospect IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-03-19   
773-919 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-920 A Chicago Zone 06-Kedzie IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-920 0 Chicago Zone 06-Kedzie IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-06-27   
773-920 2 Chicago Zone 06-Kedzie IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-09-17   
773-920 3 Chicago Zone 06-Kedzie IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-920 4 Chicago Zone 06-Kedzie IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-920 5 Chicago Zone 06-Kedzie IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-11   
773-920 6 Chicago Zone 06-Kedzie IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2020-07-01   
773-920 7 Chicago Zone 06-Kedzie IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-920 8 Chicago Zone 06-Kedzie IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-09-07   
773-920 9 Chicago Zone 06-Kedzie IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-05-22   
773-921 A Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 0 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 1 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 2 Chicago Zone 05-Austin IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-11   
773-921 3 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.