← Area code 503
503-423 phone numbers
Numbers 503-423-0000 to 503-423-9999 are assigned to Qwest Corporation in Portland, OR. 1 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 503-423
- 1 (503) 423-5810 2complaints
- 2 (503) 423-1227 1complaints
- 3 (503) 423-1982 1complaints
- 4 (503) 423-2063 1complaints
- 5 (503) 423-2132 1complaints
- 6 (503) 423-2714 1complaints
- 7 (503) 423-2852 1complaints
- 8 (503) 423-3999 1complaints
- 9 (503) 423-4179 1complaints
- 10 (503) 423-4353 1complaints
- 11 (503) 423-4651 1complaints
- 12 (503) 423-4783 1complaints
- 13 (503) 423-5424 1complaints
- 14 (503) 423-5429 1complaints
- 15 (503) 423-6397 1complaints
- 16 (503) 423-6734 1complaints
- 17 (503) 423-7660 1complaints
- 18 (503) 423-9012 1complaints
- 19 (503) 423-9176 1complaints
- 20 (503) 423-9584 1complaints
- 21 (503) 423-9852 1complaints