← Area code 203
203-583 phone numbers
Numbers 203-583-0000 to 203-583-9999 are assigned to Level 3 Communications, LLC in Bridgeport, CT. 7 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 203-583
- 1 (203) 583-5643 6complaints
- 2 (203) 583-4774 4complaints
- 3 (203) 583-0419 2complaints
- 4 (203) 583-3142 2complaints
- 5 (203) 583-4424 2complaints
- 6 (203) 583-4786 2complaints
- 7 (203) 583-8364 2complaints
- 8 (203) 583-0955 1complaints
- 9 (203) 583-3042 1complaints
- 10 (203) 583-3055 1complaints
- 11 (203) 583-3091 1complaints
- 12 (203) 583-3106 1complaints
- 13 (203) 583-3176 1complaints
- 14 (203) 583-3693 1complaints
- 15 (203) 583-3793 1complaints
- 16 (203) 583-4130 1complaints
- 17 (203) 583-4235 1complaints
- 18 (203) 583-4451 1complaints
- 19 (203) 583-4707 1complaints
- 20 (203) 583-4784 1complaints
- 21 (203) 583-4842 1complaints
- 22 (203) 583-6112 1complaints
- 23 (203) 583-6213 1complaints
- 24 (203) 583-6557 1complaints
- 25 (203) 583-7876 1complaints
- 26 (203) 583-8115 1complaints
- 27 (203) 583-8246 1complaints
- 28 (203) 583-8296 1complaints
- 29 (203) 583-8353 1complaints
- 30 (203) 583-8502 1complaints
- 31 (203) 583-8513 1complaints
- 32 (203) 583-8600 1complaints
- 33 (203) 583-8618 1complaints
- 34 (203) 583-8749 1complaints