| District of New York area codes: 585 | |
|---|---|
| Country | United States |
| State/Province | New York |
| Major City | Buffalo |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 585-974 | Monroe | Rochester, NY | Frontier Telephone Of Rochester Inc |
| 585-975 | Monroe | Rochester, NY | Frontier Telephone Of Rochester Inc |
| 585-978 | Monroe | Rochester, NY | New Cingular Wireless PCS - DC |
| 585-979 | Cattaraugus | Olean, NY | Buffalo-lake Erie Wireless Systems Co. |
| 585-981 | Cattaraugus | Olean, NY | Omnipoint Communications |
| 585-986 | Monroe | Rochester, NY | Frontier Communications Of America |
| 585-987 | Monroe | Rochester, NY | Frontier Telephone Of Rochester Inc |
| 585-991 | Livingston | Geneseo, NY | Paetec Communications |
| 585-993 | Genesee | Batavia, NY | New Cingular Wireless PCS - DC |
| 585-996 | Multiple Ocn Listing | ||
| 585-999 | Wyoming | Java Center, NY | Voxbeam Telecommunications Inc. |
| 585-555 | Used in movie | E Rochester, NY | Used in movie |
There are 492 prefixes, In the code area, the major cities are Brighton, NY;Irondequoit, NY;Rochester, NY. The major city is Buffalo.