Local Calling Guide
Area code/prefix search
NPA: 773
[Rate centres in NPA 773]
[Dial plan for NPA 773]
NXX: 377
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 773-377
| A |
Chicago Zone 11-O'Hare |
IL |
CHCGIL24DS0 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 773-377
| 0 |
Chicago Zone 11-O'Hare |
IL |
CHCGIL24DS0 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 773-377
| 1 |
Chicago Zone 11-O'Hare |
IL |
CHCGIL24DS0 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 773-377
| 2 |
Chicago Zone 11-O'Hare |
IL |
CHCGIL24DS0 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 773-377
| 3 |
Chicago Zone 11-O'Hare |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-22 |
|
| 773-377
| 4 |
Chicago Zone 11-O'Hare |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-22 |
|
| 773-377
| 5 |
Chicago Zone 11-O'Hare |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-01-01 |
|
| 773-377
| 6 |
Chicago Zone 11-O'Hare |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2011-06-22 |
|
| 773-377
| 7 |
Chicago Zone 11-O'Hare |
IL |
CHCGILDT8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2014-02-21 |
|
| 773-377
| 8 |
Chicago Zone 11-O'Hare |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2011-09-24 |
|
| 773-377
| 9 |
Chicago Zone 11-O'Hare |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2016-10-13 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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