← Area code 623
623-300 phone numbers
Numbers 623-300-0000 to 623-300-9999 are assigned to Onvoy, LLC in Phoenix, AZ. 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 623-300
- 1 (623) 300-0308 2complaints
- 2 (623) 300-0405 2complaints
- 3 (623) 300-0505 2complaints
- 4 (623) 300-2395 2complaints
- 5 (623) 300-5463 2complaints
- 6 (623) 300-5474 2complaints
- 7 (623) 300-0193 1complaints
- 8 (623) 300-0290 1complaints
- 9 (623) 300-0303 1complaints
- 10 (623) 300-0478 1complaints
- 11 (623) 300-0661 1complaints
- 12 (623) 300-0754 1complaints
- 13 (623) 300-1248 1complaints
- 14 (623) 300-1264 1complaints
- 15 (623) 300-1345 1complaints
- 16 (623) 300-1568 1complaints
- 17 (623) 300-1664 1complaints
- 18 (623) 300-1895 1complaints
- 19 (623) 300-1905 1complaints
- 20 (623) 300-1999 1complaints
- 21 (623) 300-2114 1complaints
- 22 (623) 300-2140 1complaints
- 23 (623) 300-2408 1complaints
- 24 (623) 300-2616 1complaints
- 25 (623) 300-2618 1complaints
- 26 (623) 300-2626 1complaints
- 27 (623) 300-3127 1complaints
- 28 (623) 300-3420 1complaints
- 29 (623) 300-3548 1complaints
- 30 (623) 300-3592 1complaints
- 31 (623) 300-3648 1complaints
- 32 (623) 300-3662 1complaints
- 33 (623) 300-3844 1complaints
- 34 (623) 300-3881 1complaints
- 35 (623) 300-3884 1complaints
- 36 (623) 300-3891 1complaints
- 37 (623) 300-3951 1complaints
- 38 (623) 300-5334 1complaints
- 39 (623) 300-5460 1complaints
- 40 (623) 300-5464 1complaints
- 41 (623) 300-7079 1complaints
- 42 (623) 300-7319 1complaints
- 43 (623) 300-7376 1complaints
- 44 (623) 300-7627 1complaints
- 45 (623) 300-7926 1complaints
- 46 (623) 300-9292 1complaints
- 47 (623) 300-9390 1complaints
- 48 (623) 300-9832 1complaints