← Area code 203
203-343 phone numbers
Numbers 203-343-0000 to 203-343-9999 are assigned to New Cingular Wireless PCS, LLC (rate centre ANSONIDRBY, CT, NANPA abbreviation). 5 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 203-343
- 1 (203) 343-0431 2complaints
- 2 (203) 343-0147 1complaints
- 3 (203) 343-0154 1complaints
- 4 (203) 343-0182 1complaints
- 5 (203) 343-0183 1complaints
- 6 (203) 343-0185 1complaints
- 7 (203) 343-0239 1complaints
- 8 (203) 343-0257 1complaints
- 9 (203) 343-0378 1complaints
- 10 (203) 343-0397 1complaints
- 11 (203) 343-0474 1complaints
- 12 (203) 343-0530 1complaints
- 13 (203) 343-0625 1complaints
- 14 (203) 343-0671 1complaints
- 15 (203) 343-0837 1complaints
- 16 (203) 343-0936 1complaints
- 17 (203) 343-0939 1complaints
- 18 (203) 343-0974 1complaints
- 19 (203) 343-2213 1complaints
- 20 (203) 343-3234 1complaints
- 21 (203) 343-3876 1complaints
- 22 (203) 343-6895 1complaints
- 23 (203) 343-7008 1complaints
- 24 (203) 343-8444 1complaints