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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-766 5 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 6 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 7 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 8 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2011-03-03   
773-766 9 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-767 A Chicago Zone 08-Portsmouth IL CHCGILPMDS0  9329 AMERITECH ILLINOIS 358      
773-768 A Chicago Zone 09-South Chicago IL CHCGILSCDS0  9329 AMERITECH ILLINOIS 358      
773-769 A Chicago Zone 02-Edgewater IL CHCGILEDDS0  9329 AMERITECH ILLINOIS 358      
773-769 0 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 1 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 2 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 3 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 4 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 5 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 6 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 7 Chicago Zone 02-Edgewater IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-769 8 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-769 9 Chicago Zone 02-Edgewater IL   9329 AMERITECH ILLINOIS 358      
773-770 A Chicago Zone 04-Humboldt IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-770 0 Chicago Zone 04-Humboldt IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-770 1 Chicago Zone 04-Humboldt IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-770 2 Chicago Zone 04-Humboldt IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-770 3 Chicago Zone 04-Humboldt IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2012-03-12   
773-770 4 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-12-22   
773-770 5 Chicago Zone 04-Humboldt IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
773-770 6 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-10   
773-770 7 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358   2002-02-21   
773-770 8 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-09-19   
773-770 9 Chicago Zone 04-Humboldt IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358   2000-10-12   
773-771 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-772 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 AMERITECH ILLINOIS 358      
773-774 A Chicago Zone 03-Newcastle IL CHCGILNEDS0  9329 AMERITECH ILLINOIS 358      
773-775 A Chicago Zone 03-Newcastle IL CHCGILNEDS0  9329 AMERITECH ILLINOIS 358      
773-776 A Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 AMERITECH ILLINOIS 358      
773-777 A Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 AMERITECH ILLINOIS 358      
773-778 A Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 AMERITECH ILLINOIS 358      
773-779 A Chicago Zone 10-Beverly IL CHCGILBEDS0  9329 AMERITECH ILLINOIS 358      
773-780 A Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-780 0 Chicago Zone 08-Portsmouth IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
773-780 1 Chicago Zone 08-Portsmouth IL   6529 T-MOBILE USA, INC. 358   2003-07-14   
773-780 2 Chicago Zone 08-Portsmouth IL   224C ONVOY, LLC 358   2011-08-01   
773-780 3 Chicago Zone 08-Portsmouth IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
773-780 4 Chicago Zone 08-Portsmouth IL   6529 T-MOBILE USA, INC. 358   2003-07-14   
773-780 5 Chicago Zone 08-Portsmouth IL   6529 T-MOBILE USA, INC. 358   2003-08-11   
773-780 6 Chicago Zone 08-Portsmouth IL   6529 T-MOBILE USA, INC. 358   2003-08-11   
773-780 7 Chicago Zone 08-Portsmouth IL   6529 T-MOBILE USA, INC. 358   2003-09-12   
773-780 8 Chicago Zone 08-Portsmouth IL   6529 T-MOBILE USA, INC. 358   2003-09-12   
773-780 9 Chicago Zone 08-Portsmouth IL   6529 T-MOBILE USA, INC. 358   2003-09-12   
773-781 A Chicago Zone 01-Wabash IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-782 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 AMERITECH ILLINOIS 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 >>

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.