Every US area code, explainedUnited States · +1
Area Code Contact ES
Menu
AREA CODE · OREGON

Area code 503

Area code 503 covers Portland, Oregon. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Oregon Major City: Portland Pacific Time (PT) Overlay: 503/971
01 / WHERE IT IS

Where is area code 503?

Area code 503 is assigned to Portland and the surrounding region in Oregon. Calls to numbers that start with 503 are routed to this area.

Area code 503 shares its territory with 971. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Multnomah CountyWashington CountyMarion CountyClackamas CountyYamhill CountyClatsop CountyTillamook County

Line types

  • Mobile 26.02%
  • Landline 73.98%
02 / MAP

Area code 503 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

Loading…

© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Portland

This area code is in the Pacific Time (PT) time zone.

Local timePortland, OR--:--:--

Loading…

America/Los_AngelesLive
04 / HOW TO DIAL

How to call Portland

WITHIN THE US503 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 503 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 503 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 503 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 503 555 0123
🇦🇺Australia0011 1 503 555 0123
🇯🇵Japan010 1 503 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 503

Share of the number blocks by carrier and line type.

Landline

Lumen Technologies
50%
Ziply Fiber
28%
AT&T
6%
Verizon Business
5%
Sinch
2%
Others
9%

Mobile

AT&T Mobility
35%
T-MOBILE USA
27%
Verizon Wireless
26%
USA Mobility
11%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 503

784 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(503) 200 Mobile Portland AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(503) 201 Mobile Portland Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR
(503) 202 Mobile Portland USA MobilityUSA MOBILITY WIRELESS, INC.
(503) 203 Landline Portland Lumen TechnologiesQWEST CORPORATION
(503) 204 Mobile Portland USA MobilityUSA MOBILITY WIRELESS, INC.
(503) 205 Landline Portland Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(503) 206 Landline Portland SinchONVOY, LLC - OR
(503) 207 Landline Beaverton Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(503) 208 Mobile Portland AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(503) 209 Mobile Portland T-MOBILE USAT-MOBILE USA, INC.

Showing 10 of 784 prefixes

07 / FAQ

Frequently asked questions about area code 503

Where is area code 503 used?
Area code 503 serves Portland and the surrounding area in Oregon, including Multnomah County, Washington County, Marion County, Clackamas County, Yamhill County.
What city is area code 503 from?
The main city of area code 503 is Portland, OR.
What time zone is area code 503 in?
Area code 503 is in the Pacific Time (PT) time zone (America/Los_Angeles).
Is 503 an overlay area code?
Yes. It shares its territory with 971. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 503 from the United States?
Dial the 10 digits: 503 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 503 number from another country?
Dial your country's exit code (or +), then 1, then 503 and the seven-digit number. From a mobile you can use +1 503 XXX XXXX.
Which carriers use area code 503?
Most landline blocks belong to Lumen Technologies and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 503 for landlines, mobiles or both?
Both. About 73.98% of the number blocks are landline, 26.02% mobile.
How do I save a 503 number in WhatsApp or my phone?
Save it in international format: +1 503 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 503?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

564Bremerton, WA360Vancouver, WA253Tacoma, WA206Seattle, WA425Bellevue, WA509Spokane, WA

Other area codes in Oregon

458 · Eugene541 · Eugene971 · Portland

View all Oregon area codes →