Types of. monoculars and how they work. A monocular is a single-barrel refractor viewing device for looking at objects in the distance. They are usually more portable and smaller than spotting scopes and are widely used by bird-watchers, airplane spotters, hikers and walkers, hunters and amateur astronomers.
Area code 513 is found in the US state of Ohio. Primarily servicing the city of Cincinnati (population: 747906), area code 513 covers 6 counties of Ohio. Located in the Eastern time zone, area code 513 is on the same time as New York, NY.Area code 513 was brought into effect on January 1, 1947.Location of Area Code 513 and surrounding states.rimarily servicing the city of Cincinnati (population: 747906), area code 513 covers 6 counties of Ohio. Located in the Eastern time zone, area code 513 is on the same time as New York, NY. Area code 513 was brought into effect on January 1, 1947. Location of Area Code 513 and surrounding states.
523 Area Code. area code. 1  A three-digit number that identifies one of the telephone service regions into which the US, Canada, and certain other countries are divided and that is dialed when calling from one area to another.2  a number usually of 3 digits assigned to a telephone area as in the United States and Canada. The Chinese Telephone Code Plan is the way to group telephone numbers in the mainland of the Peopleâs Republic of China. 2  Land lines and mobile phones follow different systems: land lines use area codes, while mobile phones do not.