503 area code
Portland area, Pacific Time.Area code 503 covers Portland, Beaverton, Salem and 60 more places in Oregon, on Pacific Time. 971 covers the same area.
Right now in Portland
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer)
Calling hours: Every day, 8 AM to 8 PM (Oregon law)
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Where 503 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 503 has 63. Each one's share is how many 503 numbers start there. Its biggest metro area is Portland-Vancouver-Hillsboro, OR-WA.
- Portland44%
- Beaverton14%
- Salem9%
- Clackamas6%
- Stafford-Sandy4%
- Gresham3%
Also: McMinnville, Woodburn, Dallas, Sherwood, Tillamook, Newberg, Astoria, St. Helens, North Plains, Seaside, Stayton, Canby Needy + 45 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 503 number?
Sales calls to homes and cell phones have legal hours, set by Oregon law. Hold every 503 number to them, since you can't tell a work line from a personal cell.
What applies to 503Every day, 8 AM to 8 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Oregon lawEvery day, 8 AM to 8 PMSince Jan. 1, 2026. Also no more than 3 calls in 24 hours. Calls and texts to businesses, and to people you've done business with in the last 18 months, are excluded.ORS 646.563(1)(b) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
503 and 971
503 is one of the original area codes from 1947, and 541 was later split off from it. 503 and 971 cover the same area, so new numbers can get either code and neighbors can have different area codes. 503 holds 64% of the area's exchanges; 971 holds the rest. Local calls take all 10 digits.
- 1947503 starts
- 1995541 split off
- 2000971 overlay
Source: NANPA area code database
Other Oregon area codes
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503 area code FAQ
What area code is 503?
503 is an Oregon area code for Portland, Beaverton, Salem, Clackamas and 59 more places.
What time zone is the 503 area code in?
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer).
Is 971 the same as 503?
Same area, different code. 503 and 971 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 503 numbers?
Every day, 8 AM to 8 PM, local time, under Oregon law.
When did the 503 area code start?
In 1947: it's one of the original area codes.
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