| 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 |
|---|---|
| 312-220-9901 | Cook, Chicago, IL |
| 312-220-9902 | Cook, Chicago, IL |
| 312-220-9903 | Cook, Chicago, IL |
| 312-220-9904 | Cook, Chicago, IL |
| 312-220-9905 | Cook, Chicago, IL |
| 312-220-9906 | Cook, Chicago, IL |
| 312-220-9907 | Cook, Chicago, IL |
| 312-220-9908 | Cook, Chicago, IL |
| 312-220-9909 | Cook, Chicago, IL |
| 312-220-9910 | Cook, Chicago, IL |
| 312-220-9911 | Cook, Chicago, IL |
| 312-220-9912 | Cook, Chicago, IL |
| 312-220-9913 | Cook, Chicago, IL |
| 312-220-9914 | Cook, Chicago, IL |
| 312-220-9915 | Cook, Chicago, IL |
| 312-220-9916 | Cook, Chicago, IL |
| 312-220-9917 | Cook, Chicago, IL |
| 312-220-9918 | Cook, Chicago, IL |
| 312-220-9919 | Cook, Chicago, IL |
| 312-220-9920 | Cook, Chicago, IL |
| 312-220-9921 | Cook, Chicago, IL |
| 312-220-9922 | Cook, Chicago, IL |
| 312-220-9923 | Cook, Chicago, IL |
| 312-220-9924 | Cook, Chicago, IL |
| 312-220-9925 | Cook, Chicago, IL |
| 312-220-9926 | Cook, Chicago, IL |
| 312-220-9927 | Cook, Chicago, IL |
| 312-220-9928 | Cook, Chicago, IL |
| 312-220-9929 | Cook, Chicago, IL |
| 312-220-9930 | Cook, Chicago, IL |
| 312-220-9931 | Cook, Chicago, IL |
| 312-220-9932 | Cook, Chicago, IL |
| 312-220-9933 | Cook, Chicago, IL |
| 312-220-9934 | Cook, Chicago, IL |
| 312-220-9935 | Cook, Chicago, IL |
| 312-220-9936 | Cook, Chicago, IL |
| 312-220-9937 | Cook, Chicago, IL |
| 312-220-9938 | Cook, Chicago, IL |
| 312-220-9939 | Cook, Chicago, IL |
| 312-220-9940 | Cook, Chicago, IL |
| 312-220-9941 | Cook, Chicago, IL |
| 312-220-9942 | Cook, Chicago, IL |
| 312-220-9943 | Cook, Chicago, IL |
| 312-220-9944 | Cook, Chicago, IL |
| 312-220-9945 | Cook, Chicago, IL |
| 312-220-9946 | Cook, Chicago, IL |
| 312-220-9947 | Cook, Chicago, IL |
| 312-220-9948 | Cook, Chicago, IL |
| 312-220-9949 | Cook, Chicago, IL |
| 312-220-9950 | 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 |