[PDF] Area Code Master List by GreatData

What are area codes?

This article provides an overview of area codes and lists area codes by state. In addition, it contains a list by number, as well as a list of search tools. Use this information as part of the investigation process when you need to know a code for a particular area. Area codes are telephone number codes that designate certain calling areas.

How do you use a map line to map US area codes?

The use of a map line to map US area codes is easy. The Bell System was the first to deploy area codes in the United States in 1947. An area code is a numbering method based on geographic location. A numeric routing code (area code) is assigned to each plan area, which is placed before the telephone numbers assigned inside that region.

Which US states have a 3 digit area code?

Most of the US states have a 3 digit area code map to represent various geographical areas located in it. Delaware, Alaska, Idaho, Hawaii, Montana, North Dakota, South Dakota, Maine, New Hampshire, Vermont, Wyoming, Rhode Island and West Virginia are few states in United States having only one digit long USA area code.

What is the best place to look up area codes?

AllAreaCodes.com – Provides phone area code lookups. This site was designed as a code locator to allow you to look up numbers for all the states, cities, and other areas serviced under the North American Numbering Plan. Country Codes – Search for International Country Codes used for long-distance calling.