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
773-496 4 Chicago Zone 07-Stewart IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-10-28   
773-496 5 Chicago Zone 07-Stewart IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-496 6 Chicago Zone 07-Stewart IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2003-12-27   
773-496 7 Chicago Zone 07-Stewart IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2003-12-27   
773-496 8 Chicago Zone 07-Stewart IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2003-12-27   
773-496 9 Chicago Zone 07-Stewart IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2003-12-27   
773-497 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 0 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 1 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 2 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 3 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 4 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 5 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 7 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-498 A Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 0 Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 1 Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 2 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 3 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 4 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 5 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2009-11-14   
773-498 6 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 7 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 8 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 9 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-499 A Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      
773-499 0 Chicago Zone 03-Kildare IL   6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 1 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 2 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 3 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 4 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 5 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 6 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 7 Chicago Zone 03-Kildare IL CHCGIL24DS7  5917 FIRST COMMUNICATIONS, LLC 358   2005-08-29   
773-499 8 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2005-08-29   
773-499 9 Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-01-03   
773-500 A Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358      
773-500 0 Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-10-08   
773-500 1 Chicago Zone 10-Beverly IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-01-27   
773-500 2 Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-18   
773-500 3 Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-18   
773-500 4 Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-18   
773-500 5 Chicago Zone 10-Beverly IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-01-27   
773-500 6 Chicago Zone 10-Beverly IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-01-27   
773-500 7 Chicago Zone 10-Beverly IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-01-27   
773-500 8 Chicago Zone 10-Beverly IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-01-27   
773-500 9 Chicago Zone 10-Beverly IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-01-27   
773-501 A Chicago Zone 03-Newcastle IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      
773-502 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-503 A Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 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: ISP Telecom

Like this site? We accept donations via PayPal.