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 |
| 773-200
| A |
Chicago Zone 02-Edgewater |
IL |
CHCGILWUX5X |
598J FIVE9, INC. |
358 |
|
|
|
| 773-200
| 0 |
Chicago Zone 02-Edgewater |
IL |
|
598J FIVE9, INC. |
358 |
|
2023-07-02 |
|
| 773-200
| 1 |
Chicago Zone 02-Edgewater |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2023-10-01 |
|
| 773-200
| 2 |
Chicago Zone 02-Edgewater |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-07-08 |
|
| 773-200
| 3 |
Chicago Zone 02-Edgewater |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-07-08 |
|
| 773-200
| 4 |
Chicago Zone 02-Edgewater |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-07-08 |
|
| 773-200
| 5 |
Chicago Zone 02-Edgewater |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2023-10-01 |
|
| 773-200
| 6 |
Chicago Zone 02-Edgewater |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2023-10-01 |
|
| 773-200
| 7 |
Chicago Zone 02-Edgewater |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2023-10-01 |
|
| 773-200
| 8 |
Chicago Zone 02-Edgewater |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2023-10-01 |
|
| 773-200
| 9 |
Chicago Zone 02-Edgewater |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2023-10-01 |
|
| 773-201
| A |
Chicago Zone 01-Wabash |
IL |
LBRDILGOAMD |
6630 USA MOBILITY WIRELESS, INC. |
358 |
|
|
|
| 773-202
| A |
Chicago Zone 03-Kildare |
IL |
CHCGILKIDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 0 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 1 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 2 |
Chicago Zone 03-Kildare |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2024-09-08 |
|
| 773-202
| 3 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 4 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 5 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 6 |
Chicago Zone 03-Kildare |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2017-12-11 |
|
| 773-202
| 7 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 8 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-202
| 9 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-203
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 773-204
| A |
Chicago Zone 07-Stewart |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2025-06-05 |
|
| 773-204
| 0 |
Chicago Zone 07-Stewart |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-09-07 |
|
| 773-204
| 1 |
Chicago Zone 07-Stewart |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-09-04 |
|
| 773-204
| 2 |
Chicago Zone 07-Stewart |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-09-04 |
|
| 773-204
| 3 |
Chicago Zone 07-Stewart |
IL |
|
321J HD CARRIER LLC |
358 |
|
2025-10-10 |
|
| 773-204
| 4 |
Chicago Zone 07-Stewart |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2025-08-21 |
|
| 773-204
| 5 |
Chicago Zone 07-Stewart |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2025-06-05 |
|
| 773-204
| 6 |
Chicago Zone 07-Stewart |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2025-06-05 |
|
| 773-204
| 7 |
Chicago Zone 07-Stewart |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2025-06-05 |
|
| 773-204
| 8 |
Chicago Zone 07-Stewart |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2025-06-05 |
|
| 773-204
| 9 |
Chicago Zone 07-Stewart |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2025-06-05 |
|
| 773-205
| A |
Chicago Zone 03-Kildare |
IL |
CHCGILKIDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 0 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 1 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 2 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 3 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 4 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 5 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 6 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 7 |
Chicago Zone 03-Kildare |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 773-205
| 8 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-205
| 9 |
Chicago Zone 03-Kildare |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-206
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 773-207
| A |
Chicago Zone 10-Beverly |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 773-207
| 0 |
Chicago Zone 10-Beverly |
IL |
|
073H TELNYX LLC |
358 |
|
2019-12-18 |
|
| 773-207
| 1 |
Chicago Zone 10-Beverly |
IL |
|
224C ONVOY, LLC |
358 |
|
2020-01-09 |
|
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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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