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Phone Numbers: (331) 255-XXXX
Recently Searched Numbers in the 331 Area Code
About the (331) 255 Prefix
The (331) 255 prefix serves Aurora, Illinois, United States. Phone numbers in this exchange follow the format (331) 255-XXXX. The primary carrier assigned to this prefix is T-MOBILE USA INC..
(331) 255 Geographic Info
- Primary City
- Aurora
- State
- Illinois, United States
- Primary Carrier
- T-MOBILE USA INC.
Other Prefixes in the 331 Area Code
Whether you're screening a missed call or just curious, understanding how phone systems work puts you in control:
STIR/SHAKEN is an FCC-mandated call authentication standard where the originating carrier digitally signs the call's metadata, verifying that the caller ID has not been spoofed. When verification fails — which happens with most spoofed calls — the carrier is more likely to flag it as spam.
Read more: Spam Risk Caller ID: What It Means and What to Do About It →Frequently Asked Questions
What area code is (331) 255?
(331) 255 is a telephone prefix in the 331 area code, which serves Aurora, Illinois, United States.
Where is the (331) 255 prefix located?
Phone numbers with the (331) 255 prefix are located in Aurora, Illinois, United States. The primary carrier for this prefix is T-MOBILE USA INC..
What carrier uses the (331) 255 prefix?
The primary carrier assigned to the (331) 255 prefix is T-MOBILE USA INC.. However, numbers may be ported to other carriers over time.
How do I look up a phone number with the (331) 255 prefix?
Enter the full 10-digit number (e.g. (331) 255-XXXX) into ClarityCheck's reverse phone lookup to instantly see the owner's name, address, social profiles, and more.