Area Code 503
503 area code is being used for dialing/telecommunication purposes in Oregon, covering 22 major cities and 6 counties, according to (NANP) North American Numbering Plan for 3-digit Numbering Plan Area (NPA) code. All the areas using NPA code 503 is part of PST (Pacific Standard Time) timezone.
503 Area Code Covers 22 Cities
Check this below table to know 22 major cities (having more than 20,000 population) in Oregon using numbering plan area code 503 for dialing/telecommunication purposes.
| City | ZIP Codes | Population |
|---|---|---|
| Beaverton, OR | 8 | 97,554 |
| Forest Grove, OR | 3 | 26,160 |
| Gresham, OR | 2 | 113,525 |
| Hillsboro, OR | 3 | 106,612 |
| Keizer, OR | 1 | 39,122 |
| Lake Oswego, OR | 2 | 40,457 |
| McMinnville, OR | 1 | 34,432 |
| Newberg, OR | 1 | 25,379 |
| Oregon City, OR | 1 | 37,418 |
| Portland, OR | 60 | 646,101 |
| Salem, OR | 13 | 175,754 |
| Sherwood, OR | 1 | 20,286 |
| Tualatin, OR | 1 | 27,804 |
| West Linn, OR | 1 | 27,167 |
| Wilsonville, OR | 1 | 25,992 |
| Woodburn, OR | 1 | 26,222 |
6 Counties Using 503 as Area Code
503 area code is being used in 6 counties of Oregon for dialing/telecommunication purposes.
- Clackamas County, OR
- Marion County, OR
- Multnomah County, OR
- Polk County, OR
- Washington County, OR
- Yamhill County, OR
49 More NPA Codes Related to Area Code 503
1 or more of these 49 NPA codes are being used in the same or adjacent states of Oregon in the United States.
- 206 Area Code
- 208 Area Code
- 209 Area Code
- 213 Area Code
- 253 Area Code
- 279 Area Code
- 310 Area Code
- 323 Area Code
- 341 Area Code
- 360 Area Code
- 408 Area Code
- 415 Area Code
- 424 Area Code
- 425 Area Code
- 442 Area Code
- 458 Area Code
- 509 Area Code
- 510 Area Code
- 530 Area Code
- 541 Area Code
- 559 Area Code
- 562 Area Code
- 564 Area Code
- 619 Area Code
- 626 Area Code
- 628 Area Code
- 650 Area Code
- 657 Area Code
- 661 Area Code
- 669 Area Code
- 702 Area Code
- 707 Area Code
- 714 Area Code
- 725 Area Code
- 747 Area Code
- 760 Area Code
- 775 Area Code
- 805 Area Code
- 818 Area Code
- 820 Area Code
- 831 Area Code
- 858 Area Code
- 909 Area Code
- 916 Area Code
- 925 Area Code
- 949 Area Code
- 951 Area Code
- 971 Area Code
- 986 Area Code