top of page


area code

Biggest city:





Pacific (GMT -8)

Nearby area codes: 

Zip codes



Major Cities:

Portland, Salem, Beaverton, Gresham, Hillsboro


Average Income:





Unemployment Rate:

The 503 area code is a vital part of Oregon's communication network, serving the northwestern portion of the state and playing a crucial role in connecting its diverse communities. Northwestern Oregon's Communication Backbone: Established in 1947, the 503 area code originally covered the entire state of Oregon. It now primarily serves the northwestern part of the state, including Portland, Oregon's largest city, along with Salem, the state capital, and Astoria. This area code is integral for linking various communities within this culturally and economically diverse region. Economic and Cultural Diversity: The region served by the 503 area code is known for its dynamic economy, ranging from technology and manufacturing in the Portland metropolitan area to agriculture and fishing in more rural parts. The area is also culturally rich, with Portland known for its vibrant arts scene, sustainability initiatives, and unique urban culture. The 503 area code supports the high volume of communication required by these varied activities. Adapting to Growth and Technological Changes: In response to the increasing demand for phone numbers, particularly with the rise of mobile phone usage, the 503 area code was split in 1995, creating the 541 area code for the majority of the state. Subsequently, the 971 area code was overlaid on the 503 region in 2000 to provide additional numbering resources. These changes reflect the region's adaptation to its evolving telecommunication needs and demographic growth. The 503 area code is more than just a set of digits; it's a symbol of northwestern Oregon's adaptability, diversity, and vibrancy, playing a critical role in connecting the area's unique blend of urban and rural communities.
bottom of page