USA Area Codes
Littleton Area Code 303
The city of Littleton is one of the most famous cities in the state of Colorado. The US country Code is +1 and the Littleton area code is 303. For local calls is no area code required.
If you want to call from New York to Littleton you have to dial +1 303 + the number.To call outside the USA you have to dial the country code of the country you want to reach, the local area code and the local telephone number.
Last change: 23.04.2007
