Local Calling Guide
Area code/prefix search
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 99 100 101 102 103 104 105 106 107 108 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 773-543
| 9 |
Chicago Zone 04-Humboldt |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2007-12-10 |
|
| 773-544
| A |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-01-30 |
|
| 773-545
| A |
Chicago Zone 03-Kildare |
IL |
CHCGILKIDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| A |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 0 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 1 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 2 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 3 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 4 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 5 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 6 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 7 |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-546
| 8 |
Chicago Zone 10-Pullman |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-20 |
|
| 773-546
| 9 |
Chicago Zone 10-Pullman |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-05-12 |
|
| 773-547
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 773-548
| A |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 0 |
Chicago Zone 07-Oakland |
IL |
|
515J IP HORIZON LLC |
358 |
|
2016-08-09 |
|
| 773-548
| 1 |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 2 |
Chicago Zone 07-Oakland |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-06-24 |
|
| 773-548
| 3 |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 4 |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 5 |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 6 |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 7 |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 8 |
Chicago Zone 07-Oakland |
IL |
CHCGILOKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-548
| 9 |
Chicago Zone 07-Oakland |
IL |
CHCGIL24XMD |
495J STRATUS NETWORKS |
358 |
|
2020-09-20 |
|
| 773-549
| A |
Chicago Zone 04-Lakeview |
IL |
CHCGILLWDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-550
| A |
Chicago Zone 01-Wabash |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 773-551
| A |
Chicago Zone 03-Kildare |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 773-552
| A |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 0 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 1 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 2 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 3 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 4 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 5 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 6 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 7 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 8 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-552
| 9 |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-553
| A |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 0 |
Chicago Zone 06-Lafayette |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2006-03-03 |
|
| 773-553
| 1 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 2 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 3 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 4 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 5 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 6 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 7 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-553
| 8 |
Chicago Zone 06-Lafayette |
IL |
CHCGILLADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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