331-255
Last activity: Mar 25, 2022
Area code 331 numbers in Aurora, IL
Browse recently reported phone numbers in area code 331, commonly associated with Aurora, IL. This page shows recent activity, reported numbers, and popular prefixes linked to this area code.
Location
Aurora, IL
Reported numbers
20
Reports in last 7 days
0
Reports in last 30 days
0
Last activity
Not available
About area code 331
Area code 331 is commonly associated with Aurora, IL. The most common report type in this area code is unknown, with 520 reports.
What people report about area code 331
Recent reports for area code 331 are mostly about unknown callers, and many users also describe the calls as suspicious. A common pattern is a vague or unhelpful voicemail that still leaves the call feeling untrustworthy.
Asked to call back
Suspicious or scam-like
Vague or missing voicemail
Repeated calls
Unknown callers
“Text me saying from dept of motor vehiclesssying I had tolls that needed to be paid or I couldn’t transfer , or renew an lose license I’m in Ky that # is from Illinois I think w...”
“Caller claimed to be from “CSP” but didn’t explain what the company is or what the acronym stands for, and gave no location. They asked me to verify my address, which is not app...”
What stands out about area code 331
Reports are spread across several active prefixes within area code 331, which suggests the activity is not limited to one isolated number block. The page also has usable geographic context through Aurora, IL, which helps users decide whether a call looks locally relevant or completely unfamiliar.
Should you answer calls from area code 331?
Because many reports on this page involve unknown callers and suspicious behavior, the safest option is usually to let unexpected calls go to voicemail first and verify the number before responding.
- Do not trust caller ID alone.
- Search the full phone number before calling back.
- Be careful with callers who create urgency or ask for payment.
- Never share card details, banking data, passwords, or verification codes with an unknown caller.
- If the call is legitimate, the caller will usually leave a clear voicemail.
Approximate location
Area code 331 is commonly associated with Aurora, IL. The map below shows an approximate location reference and may not represent the full coverage area.
Reported call types
Type
Reports
Share
Unknown
520
97.6%
Scam suspicion
9
1.7%
Debt collector
1
0.2%
Silent call
1
0.2%
SSN scam
1
0.2%
Text message
1
0.2%
Popular prefixes in area code 331
331-258
Last activity: May 30, 2021
331-200
Last activity: Sep 22, 2021
331-256
Last activity: Dec 30, 2021
331-212
Last activity: Jul 30, 2021
331-321
Last activity: Sep 28, 2021
331-244
Last activity: May 16, 2022
331-226
Last activity: Dec 16, 2020
331-259
Last activity: Jun 27, 2021
331-210
Last activity: Apr 20, 2023
331-269
Last activity: Sep 5, 2022
331-261
Last activity: Feb 5, 2022
Recently reported numbers
How to check if a call is legitimate
This page gives area-code-level context, but the exact number still matters more. Use the reports, recent activity, and voicemail details together before deciding whether to respond.
- Search the exact phone number, not just the area code.
- Review recent reports and call type patterns.
- Check whether the caller left a clear voicemail with a name and reason for calling.
- Do not trust threats, payment demands, or urgent account warnings without independent verification.
- Contact banks, delivery firms, insurers, courts, or government agencies through their official websites or phone numbers.
FAQ about area code 331
Where is area code 331 located?
Area code 331 should be treated as a general reference point, not proof of the caller's exact location.
Why do so many calls from area code 331 seem suspicious?
Recent reports for area code 331 are mostly about unknown callers, and many users also describe the calls as suspicious. A common pattern is a vague or unhelpful voicemail that still leaves the call feeling untrustworthy.
What can prefix 331-255 tell me?
Reports are spread across several active prefixes within area code 331, which suggests the activity is not limited to one isolated number block.