503 Area Code Information
State: OR
Largest City in Area: PORTLAND
Where is Area Code 503? Area code (503) is in the state of OR. Below, are the major cities in the area code (503).
Major Cities in 503
- PORTLAND, OR (2,800,613)
- BEAVERTON, OR (870,608)
- SALEM, OR (650,242)
- HILLSBORO, OR (406,007)
- GRESHAM, OR (381,591)
- VANCOUVER, WA (289,933)
- LAKE OSWEGO, OR (285,698)
- OREGON CITY, OR (267,858)
- CLACKAMAS, OR (207,057)
- MILWAUKIE, OR (190,358)
Zip Codes in 503
- 97211
- 97212
- 97213
- 97214
- 97215
- 97216
- 97217
- 97218
- 97219
- 97220
- 97221
- 97222
- 97223
- 97224
- 97225
- 97227
- 97228
- 97229
- 97230
- 97231