About 503:
The 503 Area Code (or Area Code 503) is located in the state of OR. Area Code 503 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.43 million unique phone numbers and 8.07 million individuals near the city of Portland
Related Cities:
Beaverton, OR>Gresham, OR>Hillsboro, OR>Keizer, OR>Lake Oswego, OR>Mcminnville, OR>Milwaukie, OR>Oregon City, OR>Portland, OR>Salem, OR>Tigard, OR>Tualatin, OR>West Linn, OR>Woodburn, OR