Lookup › Area code 503
503 Area Code — Portland, Oregon
Area code 503 serves Portland, OR.
Most looked-up 503 numbers
- 503-319-8117
- 503-816-1456
- 503-382-4653
- 503-490-4925
- 503-382-6532
- 503-407-3567
- 503-407-4127
- 503-407-8523
- 503-266-2667
- 503-866-3264
- 503-781-3203
- 503-686-8095
Phone prefixes in 503
Carriers serving 503
- Verizon (9 numbers)
- At&t (2 numbers)
- Teleport Communications Americ (2 numbers)
- T-Mobile (2 numbers)
- Canby Telephone Association (1 numbers)
- Bandwidth (1 numbers)
- Level 3 Communications, LLC - (1 numbers)
- Qwest Corporation (1 numbers)
Frequently asked questions
Where is area code 503?
Area code 503 serves Portland, OR.
What prefixes are in area code 503?
Phone2.io tracks 14 phone prefixes in area code 503, with carrier and spam-report data on individual numbers.
More about area code 503
Area code 503 overview, history, and local numbers · Get a OR phone number
Last updated: April 2, 2026