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Phone Numbers: (331) 271-XXXX
Recently Searched Numbers in the 331 Area Code
About the (331) 271 Prefix
The (331) 271 prefix serves Aurora, Illinois, United States. Phone numbers in this exchange follow the format (331) 271-XXXX. The primary carrier assigned to this prefix is T-MOBILE USA INC..
(331) 271 Geographic Info
- Primary City
- Aurora
- State
- Illinois, United States
- Primary Carrier
- T-MOBILE USA INC.
Other Prefixes in the 331 Area Code
Millions of calls go unanswered every day because people don't know who's on the other end. This might change how you handle the next one:
Apple's Silence Unknown Callers feature (Settings → Phone → Silence Unknown Callers) sends any call from a number not in your Contacts, Recents, or Siri Suggestions directly to voicemail without ringing your phone. The call still appears in your Recents list, and the caller can leave a voicemail.
Read more: How to Stop Spam Calls on iPhone and Android (2026 Guide) →Frequently Asked Questions
What area code is (331) 271?
(331) 271 is a telephone prefix in the 331 area code, which serves Aurora, Illinois, United States.
Where is the (331) 271 prefix located?
Phone numbers with the (331) 271 prefix are located in Aurora, Illinois, United States. The primary carrier for this prefix is T-MOBILE USA INC..
What carrier uses the (331) 271 prefix?
The primary carrier assigned to the (331) 271 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) 271 prefix?
Enter the full 10-digit number (e.g. (331) 271-XXXX) into ClarityCheck's reverse phone lookup to instantly see the owner's name, address, social profiles, and more.