← Area code 203
203-990 phone numbers
Numbers 203-990-0000 to 203-990-9999 are assigned to Mcimetro Access Transmission Services LLC (rate centre OLDGRNWICH, CT, NANPA abbreviation). 6 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 203-990
- 1 (203) 990-1108 5complaints
- 2 (203) 990-1061 2complaints
- 3 (203) 990-1337 2complaints
- 4 (203) 990-0364 1complaints
- 5 (203) 990-0416 1complaints
- 6 (203) 990-1022 1complaints
- 7 (203) 990-1241 1complaints
- 8 (203) 990-1349 1complaints
- 9 (203) 990-1490 1complaints
- 10 (203) 990-1581 1complaints
- 11 (203) 990-1584 1complaints
- 12 (203) 990-1692 1complaints
- 13 (203) 990-1755 1complaints
- 14 (203) 990-1772 1complaints
- 15 (203) 990-1816 1complaints
- 16 (203) 990-1843 1complaints
- 17 (203) 990-1885 1complaints
- 18 (203) 990-1930 1complaints
- 19 (203) 990-1962 1complaints
- 20 (203) 990-1965 1complaints
- 21 (203) 990-1982 1complaints
- 22 (203) 990-2876 1complaints
- 23 (203) 990-3651 1complaints
- 24 (203) 990-3695 1complaints
- 25 (203) 990-3880 1complaints
- 26 (203) 990-4150 1complaints
- 27 (203) 990-4167 1complaints
- 28 (203) 990-4388 1complaints
- 29 (203) 990-4690 1complaints
- 30 (203) 990-4731 1complaints
- 31 (203) 990-4737 1complaints
- 32 (203) 990-4967 1complaints
- 33 (203) 990-5719 1complaints
- 34 (203) 990-5758 1complaints
- 35 (203) 990-7284 1complaints
- 36 (203) 990-7423 1complaints