← Area code 503
503-343 phone numbers
Numbers 503-343-0000 to 503-343-9999 are assigned to Level 3 Communications, LLC (rate centre CLACKAMAS, OR, NANPA abbreviation). 4 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 503-343
- 1 (503) 343-9099 6complaints
- 2 (503) 343-6174 5complaints
- 3 (503) 343-6151 4complaints
- 4 (503) 343-4157 3complaints
- 5 (503) 343-4972 3complaints
- 6 (503) 343-0528 2complaints
- 7 (503) 343-1533 2complaints
- 8 (503) 343-1577 2complaints
- 9 (503) 343-1719 2complaints
- 10 (503) 343-1783 2complaints
- 11 (503) 343-1795 2complaints
- 12 (503) 343-1848 2complaints
- 13 (503) 343-4164 2complaints
- 14 (503) 343-4694 2complaints
- 15 (503) 343-7823 2complaints
- 16 (503) 343-0087 1complaints
- 17 (503) 343-0093 1complaints
- 18 (503) 343-0191 1complaints
- 19 (503) 343-0194 1complaints
- 20 (503) 343-0260 1complaints
- 21 (503) 343-0266 1complaints
- 22 (503) 343-0347 1complaints
- 23 (503) 343-0357 1complaints
- 24 (503) 343-0429 1complaints
- 25 (503) 343-0468 1complaints
- 26 (503) 343-0472 1complaints
- 27 (503) 343-0485 1complaints
- 28 (503) 343-0503 1complaints
- 29 (503) 343-0519 1complaints
- 30 (503) 343-0523 1complaints
- 31 (503) 343-0557 1complaints
- 32 (503) 343-0579 1complaints
- 33 (503) 343-0586 1complaints
- 34 (503) 343-0599 1complaints
- 35 (503) 343-0814 1complaints
- 36 (503) 343-1473 1complaints
- 37 (503) 343-1704 1complaints
- 38 (503) 343-1846 1complaints
- 39 (503) 343-1851 1complaints
- 40 (503) 343-1942 1complaints
- 41 (503) 343-2083 1complaints
- 42 (503) 343-2485 1complaints
- 43 (503) 343-2972 1complaints
- 44 (503) 343-3203 1complaints
- 45 (503) 343-3381 1complaints
- 46 (503) 343-3472 1complaints
- 47 (503) 343-3566 1complaints
- 48 (503) 343-3936 1complaints
- 49 (503) 343-4111 1complaints
- 50 (503) 343-4154 1complaints
Showing the 50 most-reported.