← Area code 408
408-230 phone numbers
Numbers 408-230-0000 to 408-230-9999 are assigned to T-Mobile USA, Inc. in Sunnyvale, CA. 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 408-230
- 1 (408) 230-4214 3complaints
- 2 (408) 230-8056 3complaints
- 3 (408) 230-0102 1complaints
- 4 (408) 230-0246 1complaints
- 5 (408) 230-0561 1complaints
- 6 (408) 230-0870 1complaints
- 7 (408) 230-1443 1complaints
- 8 (408) 230-1796 1complaints
- 9 (408) 230-3028 1complaints
- 10 (408) 230-3216 1complaints
- 11 (408) 230-5006 1complaints
- 12 (408) 230-5388 1complaints
- 13 (408) 230-5443 1complaints
- 14 (408) 230-5730 1complaints
- 15 (408) 230-7672 1complaints
- 16 (408) 230-7891 1complaints
- 17 (408) 230-8231 1complaints
- 18 (408) 230-8400 1complaints
- 19 (408) 230-9576 1complaints