| Prefix 312-225 | |
|---|---|
| Type | Landline |
| Introduced | 10/11/1997 |
| company | Ameritech Illinois |
| County | Cook |
| State | Illinois |
| Country | United States |
| Primary city | Chicago, IL |
| ZIP Code | 60605 |
| Phone Number | Possible Location |
|---|---|
| 312-225-9951 | Cook, Chicago, IL |
| 312-225-9952 | Cook, Chicago, IL |
| 312-225-9953 | Cook, Chicago, IL |
| 312-225-9954 | Cook, Chicago, IL |
| 312-225-9955 | Cook, Chicago, IL |
| 312-225-9956 | Cook, Chicago, IL |
| 312-225-9957 | Cook, Chicago, IL |
| 312-225-9958 | Cook, Chicago, IL |
| 312-225-9959 | Cook, Chicago, IL |
| 312-225-9960 | Cook, Chicago, IL |
| 312-225-9961 | Cook, Chicago, IL |
| 312-225-9962 | Cook, Chicago, IL |
| 312-225-9963 | Cook, Chicago, IL |
| 312-225-9964 | Cook, Chicago, IL |
| 312-225-9965 | Cook, Chicago, IL |
| 312-225-9966 | Cook, Chicago, IL |
| 312-225-9967 | Cook, Chicago, IL |
| 312-225-9968 | Cook, Chicago, IL |
| 312-225-9969 | Cook, Chicago, IL |
| 312-225-9970 | Cook, Chicago, IL |
| 312-225-9971 | Cook, Chicago, IL |
| 312-225-9972 | Cook, Chicago, IL |
| 312-225-9973 | Cook, Chicago, IL |
| 312-225-9974 | Cook, Chicago, IL |
| 312-225-9975 | Cook, Chicago, IL |
| 312-225-9976 | Cook, Chicago, IL |
| 312-225-9977 | Cook, Chicago, IL |
| 312-225-9978 | Cook, Chicago, IL |
| 312-225-9979 | Cook, Chicago, IL |
| 312-225-9980 | Cook, Chicago, IL |
| 312-225-9981 | Cook, Chicago, IL |
| 312-225-9982 | Cook, Chicago, IL |
| 312-225-9983 | Cook, Chicago, IL |
| 312-225-9984 | Cook, Chicago, IL |
| 312-225-9985 | Cook, Chicago, IL |
| 312-225-9986 | Cook, Chicago, IL |
| 312-225-9987 | Cook, Chicago, IL |
| 312-225-9988 | Cook, Chicago, IL |
| 312-225-9989 | Cook, Chicago, IL |
| 312-225-9990 | Cook, Chicago, IL |
| 312-225-9991 | Cook, Chicago, IL |
| 312-225-9992 | Cook, Chicago, IL |
| 312-225-9993 | Cook, Chicago, IL |
| 312-225-9994 | Cook, Chicago, IL |
| 312-225-9995 | Cook, Chicago, IL |
| 312-225-9996 | Cook, Chicago, IL |
| 312-225-9997 | Cook, Chicago, IL |
| 312-225-9998 | Cook, Chicago, IL |
| 312-225-9999 | 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 |