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 |
| 773-771
| A |
Chicago Zone 01-Wabash |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 773-772
| A |
Chicago Zone 04-Humboldt |
IL |
CHCGILHBDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-773
| A |
Chicago Zone 09-South Chicago |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
|
|
| 773-773
| 0 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 1 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 2 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 3 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 4 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 5 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 6 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 7 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 8 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-773
| 9 |
Chicago Zone 09-South Chicago |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-21 |
|
| 773-774
| A |
Chicago Zone 03-Newcastle |
IL |
CHCGILNEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-775
| A |
Chicago Zone 03-Newcastle |
IL |
CHCGILNEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-776
| A |
Chicago Zone 08-Prospect |
IL |
CHCGILPRDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-777
| A |
Chicago Zone 03-Kildare |
IL |
CHCGILKIDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-778
| A |
Chicago Zone 08-Prospect |
IL |
CHCGILPRDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-779
| A |
Chicago Zone 10-Beverly |
IL |
CHCGILBEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-780
| A |
Chicago Zone 08-Portsmouth |
IL |
ELGNILOTGT5 |
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 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-782
| 0 |
Chicago Zone 04-Humboldt |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2015-09-01 |
|
| 773-782
| 1 |
Chicago Zone 04-Humboldt |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-07-15 |
|
| 773-782
| 2 |
Chicago Zone 04-Humboldt |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-782
| 3 |
Chicago Zone 04-Humboldt |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-782
| 4 |
Chicago Zone 04-Humboldt |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-782
| 5 |
Chicago Zone 04-Humboldt |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-11-24 |
|
| 773-782
| 6 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-09-10 |
|
| 773-782
| 7 |
Chicago Zone 04-Humboldt |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-11-24 |
|
| 773-782
| 8 |
Chicago Zone 04-Humboldt |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-782
| 9 |
Chicago Zone 04-Humboldt |
IL |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2015-10-29 |
|
| 773-783
| A |
Chicago Zone 07-Stewart |
IL |
CHCGILSTDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-784
| A |
Chicago Zone 02-Edgewater |
IL |
CHCGILEDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-785
| A |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-786
| A |
Chicago Zone 05-Austin |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 773-786
| 0 |
Chicago Zone 05-Austin |
IL |
|
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 773-786
| 1 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-04-23 |
|
| 773-786
| 2 |
Chicago Zone 05-Austin |
IL |
|
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 773-786
| 3 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-04-23 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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