← Area code 203
203-591 phone numbers
Numbers 203-591-0000 to 203-591-9999 are assigned to Frontier Comm of Ct in Waterbury, CT.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 203-591
- 1 (203) 591-7493 5complaints
- 2 (203) 591-7116 4complaints
- 3 (203) 591-7409 2complaints
- 4 (203) 591-1007 1complaints
- 5 (203) 591-1692 1complaints
- 6 (203) 591-1724 1complaints
- 7 (203) 591-1748 1complaints
- 8 (203) 591-1886 1complaints
- 9 (203) 591-3315 1complaints
- 10 (203) 591-4293 1complaints
- 11 (203) 591-6165 1complaints
- 12 (203) 591-6855 1complaints
- 13 (203) 591-6981 1complaints
- 14 (203) 591-8353 1complaints
- 15 (203) 591-8478 1complaints
- 16 (203) 591-8525 1complaints
- 17 (203) 591-9159 1complaints
- 18 (203) 591-9264 1complaints
- 19 (203) 591-9804 1complaints