← Area code 623
623-340 phone numbers
Numbers 623-340-0000 to 623-340-9999 are assigned to T-Mobile USA, Inc. in Phoenix, AZ.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 623-340
- 1 (623) 340-0296 4complaints
- 2 (623) 340-2810 2complaints
- 3 (623) 340-0087 1complaints
- 4 (623) 340-0156 1complaints
- 5 (623) 340-0222 1complaints
- 6 (623) 340-1391 1complaints
- 7 (623) 340-2675 1complaints
- 8 (623) 340-4391 1complaints
- 9 (623) 340-4426 1complaints
- 10 (623) 340-6169 1complaints
- 11 (623) 340-8666 1complaints
- 12 (623) 340-9421 1complaints