Area Code: 312
312 Area Code belongs to the state of Illinois. The following cities fall under this area code: Chicago. There have been a total of 16748 Numbers for this area code.
Numbers for 312
| Number | Comments |
|---|---|
| 312-675-9501 | 0 |
| 312-826-4156 | 0 |
| 312-854-8860 | 0 |
| 312-861-4247 | 0 |
| 312-864-2982 | 0 |
| 312-872-7833 | 0 |
| 312-909-6686 | 0 |
| 312-919-2682 | 0 |