503 Area Code
Covers Portland and nearby communities in Oregon.
(503) 555-0142Area code 503 map
Interactive coverage map for area code 503, centered on Portland, Oregon
45.5234, -122.6762
Open in OpenStreetMapArea code 503 coverage map — centered on Portland. Shaded area shows the approximate reach around the primary city.
If you are trying to place Portland, OR on the map, area code 503 is the one that covers it. It reaches roughly 1.2 million people across places such as Portland, Salem, Gresham, Hillsboro and more. The region observes Pacific time, so a number like (503) 555-0142 is on that clock right now. On the ground it spans Clackamas, Marion, Multnomah and nearby counties. It shares its territory with the overlay code 971, which sit on the exact same map. Because the 503 region uses more than one area code, you must dial all ten digits — area code included — even for a local call. You do not, however, need to dial a leading 1 for calls within the US and Canada. Scroll on for a real-time clock, an area map, the cities and counties inside 503, its related area codes, and practical advice on 503 robocalls and caller-ID spoofing.
Cities covered by 503
Cities & neighborhoods
- Portland
- Salem
- Gresham
- Hillsboro
- Beaverton
- Tigard
- Lake Oswego
- Keizer
- Aloha
- McMinnville
- Milwaukie
- Oregon City
- Tualatin
- West Linn
- Woodburn
Counties
- Clackamas
- Marion
- Multnomah
- Washington
- Yamhill
Looking for the broader picture? See all Oregon area codes.
Nearby & overlay area codes
Overlay codes (same area)
These share 503’s geography — a number in either code can be on the same street.
Neighboring codes
Codes for adjacent regions and metros.
Is a call from 503 a scam?
Because 503 covers a dense metro around Portland, it's a common source of both real business calls and spam. Legitimate 503 calls come from local businesses, offices and neighbors; scam calls in this region tend to imitate delivery services, banks and utilities. Remember that caller ID is trivially spoofed — a scammer anywhere can make a 503 number appear on your screen — so the area code alone never proves a call is genuinely local.
Red flags to watch for
- Pressure to act right now, or threats of arrest, fines, or service being cut off.
- Requests to pay with gift cards, wire transfer, crypto, or a payment app.
- Asking for passwords, one-time codes, your SSN, or full card/bank numbers.
- A robocall or recording, or a number that won’t let you call back.
When unsure, hang up and call the organization back on a number you look up yourself.
Calling a 503 number from abroad
Every 503 number is a US/Canada +1 number. From a mobile anywhere, the simplest approach is to dial it in international format:
+1 503 555-0142If your phone can’t dial the +, replace it with your country’s exit code, then 1, then the number:
- UK, Germany, France & most of Europe
00 1 503 555-0142 - Australia
0011 1 503 555-0142 - Japan
010 1 503 555-0142 - Mexico
00 1 503 555-0142
Within the US and Canada you don’t need any of this — just dial the ten digits 503 555-0142.
Reverse phone lookup
Check any US or Canada number to see whether it's a working line, which carrier it sits on, whether it's mobile, landline or VoIP, and roughly where it's registered.
Shows carrier, line type and location. Owner name isn't available here.
Results are for personal, informational use only and may not be used for employment, credit, housing or tenant-screening decisions.
Area code 503: frequently asked questions
Where is the 503 area code located?
The 503 area code is located in Oregon, centered on Portland. It covers Clackamas, Marion, Multnomah, Washington, Yamhill and nearby communities including Portland, Salem, Gresham, Hillsboro, Beaverton, Tigard.
What time zone is 503 in?
Area code 503 is in the Pacific time zone (UTC-8 (PST) / UTC-7 (PDT)). You can see the exact current local time for Portland on the live clock above.
What cities use area code 503?
Cities and areas that use 503 include Portland, Salem, Gresham, Hillsboro, Beaverton, Tigard. Its primary city is Portland, OR.
Do I need to dial 1 before 503?
For calls within the US, you do not need to dial a leading 1, but you do need all ten digits: 503 plus the seven-digit number. The 503 area requires ten-digit dialing because more than one area code serves it.
Is 503 a toll-free or scam number?
No — 503 is a normal geographic area code for Portland, not a toll-free code (toll-free codes are 800, 833, 844, 855, 866, 877 and 888). A 503 number is not inherently a scam, but the code can be spoofed. See the spam-call section above for how to tell.
What are the overlay area codes for 503?
Area code 503 is overlaid by 971, meaning those codes cover the same geographic area.