← Area code 503
503-345 phone numbers
Numbers 503-345-0000 to 503-345-9999 are assigned to Level 3 Communications, LLC in Portland, OR.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 503-345
- 1 (503) 345-4508 5complaints
- 2 (503) 345-6507 5complaints
- 3 (503) 345-4517 4complaints
- 4 (503) 345-8966 3complaints
- 5 (503) 345-0017 2complaints
- 6 (503) 345-1051 2complaints
- 7 (503) 345-4507 2complaints
- 8 (503) 345-4567 2complaints
- 9 (503) 345-6866 2complaints
- 10 (503) 345-8866 2complaints
- 11 (503) 345-1126 1complaints
- 12 (503) 345-1678 1complaints
- 13 (503) 345-1839 1complaints
- 14 (503) 345-3483 1complaints
- 15 (503) 345-3702 1complaints
- 16 (503) 345-4195 1complaints
- 17 (503) 345-4474 1complaints
- 18 (503) 345-4477 1complaints
- 19 (503) 345-4499 1complaints
- 20 (503) 345-4500 1complaints
- 21 (503) 345-4502 1complaints
- 22 (503) 345-4519 1complaints
- 23 (503) 345-4521 1complaints
- 24 (503) 345-4528 1complaints
- 25 (503) 345-4902 1complaints
- 26 (503) 345-4920 1complaints
- 27 (503) 345-5352 1complaints
- 28 (503) 345-6000 1complaints
- 29 (503) 345-6125 1complaints
- 30 (503) 345-7312 1complaints
- 31 (503) 345-7766 1complaints
- 32 (503) 345-7845 1complaints
- 33 (503) 345-8349 1complaints
- 34 (503) 345-8609 1complaints