← Area code 503
503-403 phone numbers
Numbers 503-403-0000 to 503-403-9999 are assigned to Mcimetro Access Transmission Services LLC in Beaverton, 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 503-403
- 1 (503) 403-0514 5complaints
- 2 (503) 403-1919 2complaints
- 3 (503) 403-0124 1complaints
- 4 (503) 403-0193 1complaints
- 5 (503) 403-0785 1complaints
- 6 (503) 403-0982 1complaints
- 7 (503) 403-1052 1complaints
- 8 (503) 403-1100 1complaints
- 9 (503) 403-1906 1complaints
- 10 (503) 403-1927 1complaints
- 11 (503) 403-2135 1complaints
- 12 (503) 403-2637 1complaints
- 13 (503) 403-3561 1complaints
- 14 (503) 403-4120 1complaints
- 15 (503) 403-4664 1complaints
- 16 (503) 403-4865 1complaints
- 17 (503) 403-7241 1complaints
- 18 (503) 403-7602 1complaints
- 19 (503) 403-7820 1complaints
- 20 (503) 403-8026 1complaints