Diagram of a monocular using a Schmidt-Pechan prism. A monocular is a modified refracting telescope used to magnify the images of distant objects by passing light through a series of lenses and usually prisms, the application of prisms resulting in a lightweight, compact telescope.
Area code 609 serves telephones in southeastern and central New Jersey, including the cities of Trenton, Long Beach Island, Princeton, Hamilton and Atlantic City. In terms of geographic coverage, it is the largest in the state of New Jersey.In the original North American Number Plan (NANP), all of New Jersey was served by area code 201, until it was split in 1958 to create area 609.n terms of geographic coverage, it is the largest in the state of New Jersey. In the original North American Number Plan (NANP), all of New Jersey was served by area code 201, until it was split in 1958 to create area 609.
History [edit]. Area code 919, the main area code, was split off from area code 704, the state's original area code, in 1954. It originally covered the entire eastern part of the state from Winston-Salem to Wilmington.704 was reduced to cover Charlotte and all points west.rea codes 919 and 984 are telephone area codes serving all or parts of 11 counties in the east-central area of the U.S. state of North Carolina.