Prefix 312-804

There are 4 phone numbers within prefix 312-804 that have resulted in reports by users.
 
The location of calls from 312-804 is Chicago Zone 1, Illinois, USA. Most numbers in this area code are in US Central time, where the time is currently 10:16:08 PM on June 7, 2025. The telco provider for 312-804 is T-mobile Usa, Inc..
 
Choose a phone number from the list below to browse user reports for 312-804. You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.