Petersburg, Cape May County, New Jersey
Petersburg, New Jersey  | |
|---|---|
Upper Township branch of Cape May County Library  | |
| Coordinates: 39°15′13″N 74°43′36″W / 39.2537259°N 74.7265512°W | |
| Country | United States | 
| State | New Jersey | 
| County | Cape May | 
| Township | Upper | 
| Elevation | 33 ft (10 m) | 
| Time zone | UTC−05:00 (Eastern (EST)) | 
| • Summer (DST) | UTC−04:00 (Eastern (EDT)) | 
| Area code(s) | 609, 640 | 
| GNIS feature ID | 879255 | 
Petersburg is an unincorporated community located within Upper Township in Cape May County, in the U.S. state of New Jersey.
A post office was established in 1856, with Peter Corson as the first postmaster.