Local Calling Guide
Area code/prefix search
Switch: CHCGILIDXEX
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 217-980
| 0 |
Nauvoo |
IL |
495J STRATUS NETWORKS |
977 |
|
2021-02-28 |
|
| 708-419
| 5 |
Calumet City |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 708-517
| 2 |
Harvey |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 708-739
| A |
Chicago Heights |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
|
|
| 708-739
| 1 |
Chicago Heights |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-03-29 |
|
| 708-742
| A |
Lansing |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
|
|
| 708-742
| 1 |
Lansing |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-03-29 |
|
| 708-892
| 6 |
Crete |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 708-896
| 8 |
Riverdale |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 708-918
| 0 |
Homewood |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 773-277
| 9 |
Chicago Zone 06-Lawndale |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 773-389
| 0 |
Chicago Zone 09-South Chicago |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 773-433
| 9 |
Chicago Zone 02-Edgewater |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 773-690
| 6 |
Chicago Zone 07-Stewart |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 779-268
| 1 |
St Anne |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 815-466
| 2 |
Grant Park |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 815-944
| 9 |
Hopkins Park |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-22 |
|
| 872-261
| 0 |
Chicago Zone 10-Beverly |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 872-269
| 7 |
Chicago Zone 08-Portsmouth |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 872-270
| A |
Chicago Zone 01-Calumet |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
|
|
| 872-270
| 1 |
Chicago Zone 01-Calumet |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-03-11 |
|
| 872-274
| 0 |
Chicago Zone 04-Humboldt |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 872-277
| 9 |
Chicago Zone 05-Austin |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 872-469
| 0 |
Chicago Zone 03-Kildare |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
| 872-873
| 7 |
Chicago Zone 11-O'Hare |
IL |
553J WHITESKY COMMUNICATIONS, LLC |
358 |
|
2021-02-27 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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