Founded in 1821, Monroe County is one of 62 counties in the state of New York. Historically, Monroe County was formed from Genesee County and Ontario County. The city of Rochester is the county seat. With FIPS code of 55, Monroe County has a population of 755,160 and area of 1,366 square miles (3,538 km2).
List of all cities in Monroe County, NY alphabetically
| City/Town | Postal Code | Area Code |
| Adams Basin, NY | 14410 | 585 |
| Bank of America, NY | 14638 | 585 |
| Brighton, NY | 14610 | 585 |
| Brockport, NY | 14420 | 585 |
| Churchville, NY | 14428 | 585 |
| Clarkson, NY | 14430 | 585 |
| Clifton, NY | 14428 | 585 |
| East Rochester, NY | 14445 | 585 |
| Eastman Kodak, NY | 14651 | 585 |
| Excellus BCBS, NY | 14647 | 585 |
| Fairport, NY | 14450 | 585 |
| Frontier, NY | 14646 | 585 |
| Greece, NY | 14612 | 585 |
| 14615 | 585 | |
| 14616 | 585 | |
| 14626 | 585 | |
| Hamlin, NY | 14464 | 585 |
| Henrietta, NY | 14467 | 585 |
| Hilton, NY | 14468 | 585 |
| Honeoye Falls, NY | 14472 | 585 |
| HSBC, NY | 14639 | 585 |
| Industry, NY | 14543 | 585 |
| Irondequoit, NY | 14617 | 585 |
| 14621 | 585 | |
| 14622 | 585 | |
| JP Morgan Bank, NY | 14643 | 585 |
| Kodak Apparatus Division, NY | 14653 | 585 |
| Kodak Office, NY | 14650 | 585 |
| Kodak Park, NY | 14652 | 585 |
| Loehmanns Plaza, NY | 14618 | 585 |
| Mendon, NY | 14506 | 585 |
| Morton, NY | 14508 | 585 |
| Mumford, NY | 14511 | 585 |
| North Chili, NY | 14514 | 585 |
| North Greece, NY | 14515 | 585 |
| Panorama, NY | 14625 | 585 |
| Penfield, NY | 14526 | 585 |
| Pittsford, NY | 14534 | 585 |
| Ridgemont, NY | 14626 | 585 |
| Roch Gas & Elec Corp, NY | 14649 | 585 |
| Rochester, NY | 14602 | 585 |
| 14603 | 585 | |
| 14604 | 585 | |
| 14605 | 585 | |
| 14606 | 585 | |
| 14607 | 585 | |
| 14608 | 585 | |
| 14609 | 585 | |
| 14610 | 585 | |
| 14611 | 585 | |
| 14612 | 585 | |
| 14613 | 585 | |
| 14614 | 585 | |
| 14615 | 585 | |
| 14616 | 585 | |
| 14617 | 585 | |
| 14618 | 585 | |
| 14619 | 585 | |
| 14620 | 585 | |
| 14621 | 585 | |
| 14622 | 585 | |
| 14623 | 585 | |
| 14624 | 585 | |
| 14625 | 585 | |
| 14626 | 585 | |
| 14627 | 585 | |
| 14638 | 585 | |
| 14639 | 585 | |
| 14642 | 585 | |
| 14643 | 585 | |
| 14644 | 585 | |
| 14646 | 585 | |
| 14647 | 585 | |
| 14649 | 585 | |
| 14650 | 585 | |
| 14651 | 585 | |
| 14652 | 585 | |
| 14653 | 585 | |
| 14692 | 585 | |
| 14694 | 585 | |
| Rush, NY | 14543 | 585 |
| Scottsville, NY | 14546 | 585 |
| Spencerport, NY | 14559 | 585 |
| Strong Memorial Hospital, NY | 14642 | 585 |
| Webster, NY | 14580 | 585 |
| West Group, NY | 14694 | 585 |
| West Henrietta, NY | 14586 | 585 |
| West Rush, NY | 14543 | 585 |
| Westgate, NY | 14624 | 585 |
| Wheatland, NY | 14546 | 585 |
| Xerox, NY | 14644 | 585 |