Founded in 1683, Richmond County is one of 62 counties in the state of New York. Historically, Richmond County was one of 12 original counties created in the New York colony. The city of none (sui generis) is the county seat. With FIPS code of 85, Richmond County has a population of 493,494 and area of 102.5 square miles (265 km2).
List of all cities in Richmond County, NY alphabetically
| City/Town | Postal Code | Area Code |
| Staten Island, NY | 10301 | 718/347 |
| 10302 | 718/347 | |
| 10303 | 718/347 | |
| 10304 | 718/347 | |
| 10305 | 718/347 | |
| 10306 | 718/347 | |
| 10307 | 718/347 | |
| 10308 | 718/347 | |
| 10309 | 718/347 | |
| 10310 | 718/347 | |
| 10311 | 718/347 | |
| 10312 | 718/347 | |
| 10313 | 718/347 | |
| 10314 | 718/347 |