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 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 94 95 96 97 98 99 100 101 102 103 104 105 106 107 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-669 7 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-05   
773-669 8 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-05   
773-669 9 Chicago Zone 05-Austin IL CHCGIL24DS6  224C ONVOY, LLC 358   2012-01-22   
773-670 A Chicago Zone 03-Kildare IL CHCGILWBXDZ  6630 USA MOBILITY WIRELESS, INC. 358      
773-671 A Chicago Zone 01-Calumet IL CHCGILMF2MD  6664 SPRINT SPECTRUM, L.P. 358      
773-671 0 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
773-671 1 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 2 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 3 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 4 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 5 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 6 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 7 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 8 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-671 9 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-672 A Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-672 0 Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2009-04-28   
773-672 1 Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2009-04-28   
773-672 2 Chicago Zone 10-Beverly IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-03-26   
773-672 3 Chicago Zone 10-Beverly IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-10-03   
773-672 4 Chicago Zone 10-Beverly IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-11-20   
773-672 5 Chicago Zone 10-Beverly IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2008-06-15   
773-672 6 Chicago Zone 10-Beverly IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2008-06-14   
773-672 7 Chicago Zone 10-Beverly IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2008-10-18   
773-672 8 Chicago Zone 10-Beverly IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-10-24   
773-672 9 Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2008-04-14   
773-673 A Chicago Zone 05-Austin IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-673 0 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 1 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 2 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 3 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 4 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 5 Chicago Zone 05-Austin IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-673 6 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 7 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 8 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-673 9 Chicago Zone 05-Austin IL CHCGIL24DS6  224C ONVOY, LLC 358   2012-10-01   
773-674 A Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358      
773-674 0 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 1 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 2 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 3 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 4 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 5 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 6 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 7 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 8 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-674 9 Chicago Zone 06-Kedzie IL CHCGILLADS0  9329 ILLINOIS BELL TEL CO 358   2008-06-14   
773-675 A Chicago Zone 07-Stewart IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-675 0 Chicago Zone 07-Stewart IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-08-28   

<< 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 94 95 96 97 98 99 100 101 102 103 104 105 106 107 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.