Buffalo City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 217 | US | Illinois - IL | Buffalo | Central | Details |
| 270 | US | Kentucky - KY | Buffalo | Eastern / Central | Details |
| 304 | US | West Virginia - VA | Buffalo | Eastern | Details |
| 307 | US | Wyoming - WY | Buffalo | Mountain | Details |
| 320 | US | Minnesota - MN | Buffalo | Central | Details |
| 417 | US | Missouri - MO | Buffalo | Central | Details |
| 574 | US | Indiana - IN | Buffalo | Eastern / Central | Details |
| 580 | US | Oklahoma - OK | Buffalo | Central | Details |
| 585 | US | New York - NY | Buffalo | Eastern | Details |
| 605 | US | South Dakota - SD | Buffalo | Central / Mountain | Details |
| 620 | US | Kansas - KS | Buffalo | Central / Mountain | Details |
| 701 | US | North Dakota - ND | Buffalo | Central / Mountain | Details |
| 716 | US | New York - NY | Buffalo | Eastern | Details |
| 903 | US | Texas - TX | Buffalo | Central | Details |