Area code · OR
503 area code
The 503 area code serves Portland, Oregon. Look up a specific 503 number, check spam reports, and stop spam calls automatically.
schedule2 min readUpdated May 15, 2026By the Halo team
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Location
Portland, OR
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Timezone
Pacific
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State
Oregon
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Major cities
Portland, Salem, Beaverton
ABOUTAbout the 503 area code
The 503 area code is assigned to Portland, Oregon. Phone numbers with this area code are used by residents and businesses in the Portland metropolitan area and surrounding communities.
If you've received an unwanted call from a 503 area code number, use the Halo phone lookup tool to check if it has been reported as spam. Halo AI blocks 99% of spam calls at the network level, protecting you from robocalls, scams, and telemarketers before they ever reach your phone.
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