Farmington City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 207 | US | Maine - ME | Farmington | Eastern | Details |
| 209 | US | California - CA | Farmington | Pacific | Details |
| 248 | US | Michigan - MI | Farmington | Eastern | Details |
| 270 | US | Kentucky - KY | Farmington | Eastern / Central | Details |
| 304 | US | West Virginia - VA | Farmington | Eastern | Details |
| 309 | US | Illinois - IL | Farmington | Central | Details |
| 319 | US | Iowa - IA | Farmington | Central | Details |
| 385 | US | Utah - UT | Farmington | Mountain | Details |
| 479 | US | Arkansas - AR | Farmington | Central | Details |
| 505 | US | New Mexico - NM | Farmington | Mountain | Details |
| 509 | US | Washington - WA | Farmington | Pacific | Details |
| 573 | US | Missouri - MO | Farmington | Central | Details |
| 585 | US | New York - NY | Farmington | Eastern | Details |
| 603 | US | New Hampshire - NH | Farmington | Eastern | Details |
| 651 | US | Minnesota - MN | Farmington | Central | Details |
| 724 | US | Pennsylvania - PA | Farmington | Eastern | Details |
| 801 | US | Utah - UT | Farmington | Mountain | Details |
| 860 | US | Connecticut - CT | Farmington | Eastern | Details |
| 952 | US | Minnesota - MN | Farmington | Central | Details |