← Area code 657
657-342 phone numbers
Numbers 657-342-0000 to 657-342-9999 are assigned to T-Mobile USA, Inc. (rate centre HUNTITNBCH, CA, 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 657-342
- 1 (657) 342-3149 2complaints
- 2 (657) 342-3652 2complaints
- 3 (657) 342-1329 1complaints
- 4 (657) 342-1692 1complaints
- 5 (657) 342-2421 1complaints
- 6 (657) 342-3017 1complaints
- 7 (657) 342-3065 1complaints
- 8 (657) 342-3069 1complaints
- 9 (657) 342-3085 1complaints
- 10 (657) 342-3140 1complaints
- 11 (657) 342-3188 1complaints
- 12 (657) 342-3249 1complaints
- 13 (657) 342-3336 1complaints
- 14 (657) 342-3360 1complaints
- 15 (657) 342-3369 1complaints
- 16 (657) 342-3396 1complaints
- 17 (657) 342-3460 1complaints
- 18 (657) 342-3483 1complaints
- 19 (657) 342-3509 1complaints
- 20 (657) 342-3525 1complaints
- 21 (657) 342-3554 1complaints
- 22 (657) 342-3637 1complaints
- 23 (657) 342-3650 1complaints
- 24 (657) 342-3659 1complaints
- 25 (657) 342-3704 1complaints
- 26 (657) 342-3745 1complaints
- 27 (657) 342-3788 1complaints
- 28 (657) 342-3871 1complaints
- 29 (657) 342-3883 1complaints
- 30 (657) 342-3981 1complaints
- 31 (657) 342-9495 1complaints