| Prefix 312-220 | |
|---|---|
| Type | Landline |
| Introduced | 02/04/1994 |
| company | Ameritech Illinois |
| County | Cook |
| State | Illinois |
| Country | United States |
| Primary city | Chicago, IL |
| ZIP Code | 60654 |
| Phone Number | Possible Location |
|---|---|
| 312-220-0351 | Cook, Chicago, IL |
| 312-220-0352 | Cook, Chicago, IL |
| 312-220-0353 | Cook, Chicago, IL |
| 312-220-0354 | Cook, Chicago, IL |
| 312-220-0355 | Cook, Chicago, IL |
| 312-220-0356 | Cook, Chicago, IL |
| 312-220-0357 | Cook, Chicago, IL |
| 312-220-0358 | Cook, Chicago, IL |
| 312-220-0359 | Cook, Chicago, IL |
| 312-220-0360 | Cook, Chicago, IL |
| 312-220-0361 | Cook, Chicago, IL |
| 312-220-0362 | Cook, Chicago, IL |
| 312-220-0363 | Cook, Chicago, IL |
| 312-220-0364 | Cook, Chicago, IL |
| 312-220-0365 | Cook, Chicago, IL |
| 312-220-0366 | Cook, Chicago, IL |
| 312-220-0367 | Cook, Chicago, IL |
| 312-220-0368 | Cook, Chicago, IL |
| 312-220-0369 | Cook, Chicago, IL |
| 312-220-0370 | Cook, Chicago, IL |
| 312-220-0371 | Cook, Chicago, IL |
| 312-220-0372 | Cook, Chicago, IL |
| 312-220-0373 | Cook, Chicago, IL |
| 312-220-0374 | Cook, Chicago, IL |
| 312-220-0375 | Cook, Chicago, IL |
| 312-220-0376 | Cook, Chicago, IL |
| 312-220-0377 | Cook, Chicago, IL |
| 312-220-0378 | Cook, Chicago, IL |
| 312-220-0379 | Cook, Chicago, IL |
| 312-220-0380 | Cook, Chicago, IL |
| 312-220-0381 | Cook, Chicago, IL |
| 312-220-0382 | Cook, Chicago, IL |
| 312-220-0383 | Cook, Chicago, IL |
| 312-220-0384 | Cook, Chicago, IL |
| 312-220-0385 | Cook, Chicago, IL |
| 312-220-0386 | Cook, Chicago, IL |
| 312-220-0387 | Cook, Chicago, IL |
| 312-220-0388 | Cook, Chicago, IL |
| 312-220-0389 | Cook, Chicago, IL |
| 312-220-0390 | Cook, Chicago, IL |
| 312-220-0391 | Cook, Chicago, IL |
| 312-220-0392 | Cook, Chicago, IL |
| 312-220-0393 | Cook, Chicago, IL |
| 312-220-0394 | Cook, Chicago, IL |
| 312-220-0395 | Cook, Chicago, IL |
| 312-220-0396 | Cook, Chicago, IL |
| 312-220-0397 | Cook, Chicago, IL |
| 312-220-0398 | Cook, Chicago, IL |
| 312-220-0399 | Cook, Chicago, IL |
| 312-220-0400 | Cook, Chicago, IL |
The area code prefix is introduced in 02/04/1994, the phone number type is Landline. The major cities in the area are Chicago, IL
| Area Code 312 | |
|---|---|
| Time Zone | Central (UTC-06:00) |
| Major City | Chicago |
| State/Province | Illinois |
| Country | United States |