Area code 503 — Oregon
Area code 503 is in Oregon and serves Portland, Salem, Hillsboro, Beaverton. Time zone, overlays, counties and ZIP codes.
| Location | Oregon (Portland, Salem, Hillsboro, Beaverton, St. Helens, Tillamook, Astoria, and most of northwestern Oregon) |
|---|---|
| Main places | Portland, Salem, Hillsboro, Beaverton, St. Helens, Tillamook, Astoria |
| State | Oregon |
| Status | In service · since 1947 |
| Time zone | Pacific · |
| Overlay codes | 971 Overlays share the same area. Local calls usually need 10-digit dialing. |
| Local dialing | 10 digits |
History
- Created for all of Oregon
- 1995: split to create 541
- 2000: partially overlaid by 971, excluding Clatsop County and Tillamook County
- 2008: complete overlay implemented
Counties (approximate)
ClackamasClackamas CountyClatsop CountyColumbia CountyHood RiverHood River CountyLincoln CountyLinn CountyMarionMarion CountyMultnomahMultnomah CountyPolk CountySherman CountyTillamookTillamook CountyWasco CountyWashingtonWashington CountyYamhill County
ZIP codes in area code 503
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
97002 Aurora97003 Beaverton97004 Beavercreek97005 Beaverton97006 Beaverton97007 Beaverton97008 Beaverton97009 Boring97010 Bridal Veil97011 Brightwood97013 Canby97014 Cascade Locks97015 Clackamas97016 Clatskanie97017 Colton97018 Columbia City97019 Corbett97020 Donald97021 Dufur97022 Eagle Creek97023 Estacada97024 Fairview97026 Gervais97027 Gladstone97028 Government Camp97030 Gresham97031 Hood River97032 Hubbard97034 Lake Oswego97035 Lake Oswego97036 Marylhurst97038 Molalla97040 Mosier97041 Mount Hood Parkdale97042 Mulino97044 Odell97045 Oregon City97048 Rainier97049 Rhododendron97050 Rufus
Format a 503 number
US numbers are written as (503) 555-0123 or 503-555-0123. From outside the US, dial +1 503 555 0123.
Is a call from 503 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.