← Area code 503
503-528 phone numbers
Numbers 503-528-0000 to 503-528-9999 are assigned to Qwest Corporation in Portland, OR. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 503-528
- 1 (503) 528-5833 5complaints
- 2 (503) 528-2825 2complaints
- 3 (503) 528-6077 2complaints
- 4 (503) 528-0025 1complaints
- 5 (503) 528-0256 1complaints
- 6 (503) 528-0365 1complaints
- 7 (503) 528-1644 1complaints
- 8 (503) 528-2403 1complaints
- 9 (503) 528-2476 1complaints
- 10 (503) 528-2497 1complaints
- 11 (503) 528-2614 1complaints
- 12 (503) 528-3166 1complaints
- 13 (503) 528-3365 1complaints
- 14 (503) 528-3967 1complaints
- 15 (503) 528-5173 1complaints
- 16 (503) 528-5405 1complaints
- 17 (503) 528-5702 1complaints
- 18 (503) 528-5916 1complaints
- 19 (503) 528-7042 1complaints
- 20 (503) 528-7379 1complaints
- 21 (503) 528-8701 1complaints
- 22 (503) 528-8730 1complaints
- 23 (503) 528-9134 1complaints
- 24 (503) 528-9439 1complaints
- 25 (503) 528-9627 1complaints
- 26 (503) 528-9973 1complaints