800-855 Line Numbers
Assignments
| 1234 |
AT&T |
| 2800 |
AT&T |
| 2880 |
AT&T |
| 2881 |
AT&T |
| 2882 |
AT&T |
| 2883 |
AT&T |
| 2884 |
AT&T |
| 2885 |
AT&T |
| 2886 |
AT&T |
| 3000 |
MCI |
| 3100 |
Sprint |
| 3200 |
Sprint |
| 3300 |
Sprint |
| 3400 |
Sprint |
| 3444 |
FBHCC * |
| 3500 |
Sprint |
| 3600 |
Sprint |
| 3700 |
Sprint |
| 3800 |
Sprint |
| 3900 |
Sprint |
| 4000 |
Sprint |
| 4100 |
Sprint |
| 4200 |
Sprint |
| 4300 |
Sprint |
| 4400 |
Sprint |
| 4500 |
Sprint |
| 4700 |
Sprint |
| 5000 |
Sprint |
| 5100 |
Sprint |
| 5200 |
Sprint |
| 5300 |
Sprint |
| 5400 |
Sprint |
| 5500 |
Sprint |
| 5555 |
AT&T |
| 5600 |
Sprint |
| 5700 |
Sprint |
| 5800 |
Sprint |
| 7721 |
Security Response Center |
* FirstBank Holding Company of Colorado
|
