Lookup › Area code 773
773 Area Code — Chicago, Illinois
Area code 773 serves Chicago, IL.
Most looked-up 773 numbers
- 773-403-3779
- 773-850-6183
- 773-420-6355
- 773-708-3419
- 773-875-1583
- 773-407-7164
- 773-954-9851
- 773-420-8207
- 773-600-3090
- 773-867-0830
- 773-680-7453
- 773-839-1042
Phone prefixes in 773
Carriers serving 773
- T-Mobile (7 numbers)
- Verizon (4 numbers)
- Onvoy, LLC (1 numbers)
- Peerless Network Of Illinois, (1 numbers)
Frequently asked questions
Where is area code 773?
Area code 773 serves Chicago, IL.
What prefixes are in area code 773?
Phone2.io tracks 12 phone prefixes in area code 773, with carrier and spam-report data on individual numbers.
More about area code 773
Area code 773 overview, history, and local numbers · Get a IL phone number
Last updated: March 17, 2026