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
773-709 9 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
773-710 A Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-712 A Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-712 0 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
773-712 1 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 2 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 3 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 4 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 5 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 6 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 7 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 8 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-712 9 Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-713 A Chicago Zone 02-Edgewater IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-714 A Chicago Zone 03-Newcastle IL PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-715 A Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-715 0 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-715 1 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2003-04-02   
773-715 2 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2004-03-05   
773-715 3 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2004-04-23   
773-715 4 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2004-04-23   
773-715 5 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2004-06-08   
773-715 6 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-715 7 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2004-06-08   
773-715 8 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2004-08-16   
773-715 9 Chicago Zone 06-Lafayette IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-716 A Chicago Zone 01-Calumet IL CHCGILMF2MD  6664 SPRINT SPECTRUM, L.P. 358      
773-716 3 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
773-716 4 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
773-716 5 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-716 6 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
773-716 7 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-716 8 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-716 9 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
773-717 A Chicago Zone 07-Stewart IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-717 0 Chicago Zone 07-Stewart IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-04-22   
773-717 1 Chicago Zone 07-Stewart IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-06-24   
773-717 2 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-28   
773-717 3 Chicago Zone 07-Stewart IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2010-07-07   
773-717 4 Chicago Zone 07-Stewart IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2010-07-07   
773-717 5 Chicago Zone 07-Stewart IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-04-22   
773-717 6 Chicago Zone 07-Stewart IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-05-16   
773-717 7 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
773-717 8 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
773-717 9 Chicago Zone 07-Stewart IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-24   
773-718 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 0 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 1 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 2 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 3 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 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 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: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.