| 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 |
|---|---|
| 312-220-0001 | Cook, Chicago, IL |
| 312-220-0002 | Cook, Chicago, IL |
| 312-220-0003 | Cook, Chicago, IL |
| 312-220-0004 | Cook, Chicago, IL |
| 312-220-0005 | Cook, Chicago, IL |
| 312-220-0006 | Cook, Chicago, IL |
| 312-220-0007 | Cook, Chicago, IL |
| 312-220-0008 | Cook, Chicago, IL |
| 312-220-0009 | Cook, Chicago, IL |
| 312-220-0010 | Cook, Chicago, IL |
| 312-220-0011 | Cook, Chicago, IL |
| 312-220-0012 | Cook, Chicago, IL |
| 312-220-0013 | Cook, Chicago, IL |
| 312-220-0014 | Cook, Chicago, IL |
| 312-220-0015 | Cook, Chicago, IL |
| 312-220-0016 | Cook, Chicago, IL |
| 312-220-0017 | Cook, Chicago, IL |
| 312-220-0018 | Cook, Chicago, IL |
| 312-220-0019 | Cook, Chicago, IL |
| 312-220-0020 | Cook, Chicago, IL |
| 312-220-0021 | Cook, Chicago, IL |
| 312-220-0022 | Cook, Chicago, IL |
| 312-220-0023 | Cook, Chicago, IL |
| 312-220-0024 | Cook, Chicago, IL |
| 312-220-0025 | Cook, Chicago, IL |
| 312-220-0026 | Cook, Chicago, IL |
| 312-220-0027 | Cook, Chicago, IL |
| 312-220-0028 | Cook, Chicago, IL |
| 312-220-0029 | Cook, Chicago, IL |
| 312-220-0030 | Cook, Chicago, IL |
| 312-220-0031 | Cook, Chicago, IL |
| 312-220-0032 | Cook, Chicago, IL |
| 312-220-0033 | Cook, Chicago, IL |
| 312-220-0034 | Cook, Chicago, IL |
| 312-220-0035 | Cook, Chicago, IL |
| 312-220-0036 | Cook, Chicago, IL |
| 312-220-0037 | Cook, Chicago, IL |
| 312-220-0038 | Cook, Chicago, IL |
| 312-220-0039 | Cook, Chicago, IL |
| 312-220-0040 | Cook, Chicago, IL |
| 312-220-0041 | Cook, Chicago, IL |
| 312-220-0042 | Cook, Chicago, IL |
| 312-220-0043 | Cook, Chicago, IL |
| 312-220-0044 | Cook, Chicago, IL |
| 312-220-0045 | Cook, Chicago, IL |
| 312-220-0046 | Cook, Chicago, IL |
| 312-220-0047 | Cook, Chicago, IL |
| 312-220-0048 | Cook, Chicago, IL |
| 312-220-0049 | Cook, Chicago, IL |
| 312-220-0050 | 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 |