AT&T Mobility
AT&T Mobility is an American GSM and UMTS provider.
GSM/UMTS Cell ID Layout
| Sector ID | Frequency Band | Direction |
| 1 | 850 MHz | North |
| 2 | 850 MHz | South East |
| 3 | 850 MHz | South West |
| 7 | 1900 MHz | North |
| 8 | 1900 MHz | South East |
| 9 | 1900 MHz | South West |
LTE Cell ID Layout
| Sector ID | Frequency Band | Direction |
| 1 | 850 MHz | North |
| 2 | 850 MHz | South East |
| 3 | 850 MHz | South West |
| 8 | 1900 MHz | North |
| 9 | 1900 MHz | South East |
| 10 | 1900 MHz | South West |
| 15 | 700 MHz | North |
| 16 | 700 MHz | South East |
| 17 | 700MHz | South West |
| 22 | 1700/2100MHz | North |
| 23 | 1700/2100MHz | South East |
| 24 | 1700/2100MHz | South West |