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Area Code 331

There are 209 phone number prefixes within area code 331. Additionally, there are more than 1,400 phone numbers in this area code that have received at least one user report. The location of calls from area code 331 is Illinois, USA. Most numbers in this area code are in US Central time, where the time is currently 4:48:19 AM on September 12, 2025.
 
Choose a phone number from the list below to browse user reports for . 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.

Prefix City / State Primary Telco
331-950 Illinois
331-958 Illinois Illinois Bell Tel Co
331-959 Illinois Illinois Bell Tel Co
331-976 Illinois
331-979 Elmhurst, IL Comcast Ip Phone, Llc
331-980 Aurora, IL T-mobile Usa, Inc.
331-988 Illinois
331-998 Downers Grove, IL Cellco Partnership Dba Verizon Wireless - Il
331-999 Oswego, IL Bandwidth.com Clec, Llc - Il

Recent Call Explore
User Reports

888-712-4196
September 10, 2025
scam letter pretending to be my mortgage company, threatening to remove "service", etc
888-712-4196
September 9, 2025
Scam!! Pretending to be my mortgage holder and asked me to call to buy warranty.
804-500-1673
September 4, 2025
Suspected scam or spam. My area is serviced by Spectrum.
888-712-4196
September 3, 2025
Received a letter impersonating to the our mortgage lender. It stated this is the final notice for t ...
870-493-3922
September 2, 2025
I had numerous calls so I called it back and it said "Agent" so I assume it was a sales number.