← Area code 503
503-523 phone numbers
Numbers 503-523-0000 to 503-523-9999 are assigned to Level 3 Communications, LLC in Beaverton, OR. 5 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 503-523
- 1 (503) 523-3448 3complaints
- 2 (503) 523-0031 2complaints
- 3 (503) 523-0473 2complaints
- 4 (503) 523-5321 2complaints
- 5 (503) 523-0032 1complaints
- 6 (503) 523-0378 1complaints
- 7 (503) 523-0410 1complaints
- 8 (503) 523-0412 1complaints
- 9 (503) 523-0578 1complaints
- 10 (503) 523-0651 1complaints
- 11 (503) 523-0687 1complaints
- 12 (503) 523-0941 1complaints
- 13 (503) 523-0986 1complaints
- 14 (503) 523-1062 1complaints
- 15 (503) 523-1422 1complaints
- 16 (503) 523-1480 1complaints
- 17 (503) 523-1782 1complaints
- 18 (503) 523-1958 1complaints
- 19 (503) 523-2360 1complaints
- 20 (503) 523-2570 1complaints
- 21 (503) 523-2681 1complaints
- 22 (503) 523-2830 1complaints
- 23 (503) 523-2831 1complaints
- 24 (503) 523-2839 1complaints
- 25 (503) 523-3151 1complaints
- 26 (503) 523-3175 1complaints
- 27 (503) 523-3859 1complaints
- 28 (503) 523-4250 1complaints
- 29 (503) 523-4349 1complaints
- 30 (503) 523-4653 1complaints
- 31 (503) 523-4675 1complaints
- 32 (503) 523-4850 1complaints
- 33 (503) 523-5328 1complaints
- 34 (503) 523-5343 1complaints
- 35 (503) 523-5713 1complaints
- 36 (503) 523-5748 1complaints
- 37 (503) 523-5764 1complaints
- 38 (503) 523-6783 1complaints
- 39 (503) 523-7340 1complaints
- 40 (503) 523-7660 1complaints
- 41 (503) 523-9102 1complaints