| Prefix 312-207 | |
|---|---|
| Type | Landline |
| Introduced | 10/11/1997 |
| company | Ameritech Illinois |
| County | Cook |
| State | Illinois |
| Country | United States |
| Primary city | Chicago, IL |
| ZIP Code | 60661 |
| Phone Number | Possible Location |
|---|---|
| 312-207-0451 | Cook, Chicago, IL |
| 312-207-0452 | Cook, Chicago, IL |
| 312-207-0453 | Cook, Chicago, IL |
| 312-207-0454 | Cook, Chicago, IL |
| 312-207-0455 | Cook, Chicago, IL |
| 312-207-0456 | Cook, Chicago, IL |
| 312-207-0457 | Cook, Chicago, IL |
| 312-207-0458 | Cook, Chicago, IL |
| 312-207-0459 | Cook, Chicago, IL |
| 312-207-0460 | Cook, Chicago, IL |
| 312-207-0461 | Cook, Chicago, IL |
| 312-207-0462 | Cook, Chicago, IL |
| 312-207-0463 | Cook, Chicago, IL |
| 312-207-0464 | Cook, Chicago, IL |
| 312-207-0465 | Cook, Chicago, IL |
| 312-207-0466 | Cook, Chicago, IL |
| 312-207-0467 | Cook, Chicago, IL |
| 312-207-0468 | Cook, Chicago, IL |
| 312-207-0469 | Cook, Chicago, IL |
| 312-207-0470 | Cook, Chicago, IL |
| 312-207-0471 | Cook, Chicago, IL |
| 312-207-0472 | Cook, Chicago, IL |
| 312-207-0473 | Cook, Chicago, IL |
| 312-207-0474 | Cook, Chicago, IL |
| 312-207-0475 | Cook, Chicago, IL |
| 312-207-0476 | Cook, Chicago, IL |
| 312-207-0477 | Cook, Chicago, IL |
| 312-207-0478 | Cook, Chicago, IL |
| 312-207-0479 | Cook, Chicago, IL |
| 312-207-0480 | Cook, Chicago, IL |
| 312-207-0481 | Cook, Chicago, IL |
| 312-207-0482 | Cook, Chicago, IL |
| 312-207-0483 | Cook, Chicago, IL |
| 312-207-0484 | Cook, Chicago, IL |
| 312-207-0485 | Cook, Chicago, IL |
| 312-207-0486 | Cook, Chicago, IL |
| 312-207-0487 | Cook, Chicago, IL |
| 312-207-0488 | Cook, Chicago, IL |
| 312-207-0489 | Cook, Chicago, IL |
| 312-207-0490 | Cook, Chicago, IL |
| 312-207-0491 | Cook, Chicago, IL |
| 312-207-0492 | Cook, Chicago, IL |
| 312-207-0493 | Cook, Chicago, IL |
| 312-207-0494 | Cook, Chicago, IL |
| 312-207-0495 | Cook, Chicago, IL |
| 312-207-0496 | Cook, Chicago, IL |
| 312-207-0497 | Cook, Chicago, IL |
| 312-207-0498 | Cook, Chicago, IL |
| 312-207-0499 | Cook, Chicago, IL |
| 312-207-0500 | Cook, Chicago, IL |
The area code prefix is introduced in 10/11/1997, 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 |