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
773-967 7 Chicago Zone 09-South Chicago IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2003-09-30   
773-967 8 Chicago Zone 09-South Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-967 9 Chicago Zone 09-South Chicago IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-968 A Chicago Zone 03-Newcastle IL CHCGILMFCM3  6529 T-MOBILE USA, INC. 358      
773-969 A Chicago Zone 04-Humboldt IL CHCGILMFCM3  6529 T-MOBILE USA, INC. 358   2008-02-21   
773-969 0 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2008-02-21   
773-969 1 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2008-02-21   
773-969 2 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2008-02-21   
773-969 3 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2008-02-21   
773-969 4 Chicago Zone 04-Humboldt IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2008-11-07   
773-969 5 Chicago Zone 04-Humboldt IL   5447 ACCESS ONE, INC. - IL 358   2008-11-07   
773-969 6 Chicago Zone 04-Humboldt IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-969 7 Chicago Zone 04-Humboldt IL   259E YMAX COMMUNICATIONS CORP. - IL 358   2008-11-01   
773-969 8 Chicago Zone 04-Humboldt IL   259E YMAX COMMUNICATIONS CORP. - IL 358   2008-11-01   
773-969 9 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2008-02-21   
773-970 A Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-970 0 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 1 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 2 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 3 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 4 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 5 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 6 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 7 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 8 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 9 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-971 A Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2007-08-25   
773-971 0 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-08-25   
773-971 1 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-08-25   
773-971 2 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-08-25   
773-971 3 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-08-25   
773-971 4 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-08-25   
773-971 5 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-09-08   
773-971 6 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-09-08   
773-971 7 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-09-08   
773-971 8 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-09-08   
773-971 9 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2007-08-25   
773-972 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-973 A Chicago Zone 02-Rogers Park IL CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-974 A Chicago Zone 11-O'Hare IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-974 0 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2015-05-07   
773-974 1 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2015-12-28   
773-974 2 Chicago Zone 11-O'Hare IL   516C AT&T CORP. 358   2006-05-02   
773-974 3 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2015-06-11   
773-974 4 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2015-06-11   
773-974 5 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2015-06-11   
773-974 6 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2016-02-01   
773-974 7 Chicago Zone 11-O'Hare IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2016-08-14   
773-974 8 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2015-07-29   
773-974 9 Chicago Zone 11-O'Hare IL   224C ONVOY, LLC 358   2015-07-29   

<< 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: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.