The telephone number 503-754-0207 adheres to the North American Numbering Plan (NANP) format.
Structural Components
- Area Code (NPA): 503
- Central Office Code (NXX): 754
- Line Number: 0207
Area Code 503 Details
The 503 area code is assigned to northwestern Oregon, USA. This region encompasses significant locations including:
- The Portland metropolitan area
- Salem, the state capital
- Cities such as Astoria and Tillamook
- Portions of Clackamas, Columbia, Marion, Multnomah, Polk, Tillamook, Washington, and Yamhill counties.
The Central Office Code 754 identifies a specific telephone exchange within the 503 area code, historically associated with a particular locality or rate center. This number is structured for direct dialing within the NANP system.
