Area Code 860

Area Code 860 is in Connecticut

Other Connecticut Area Codes
203, 475, 860, 959

Connecticut Area Code Overlays
(203 and 475) and (860 and 959)

Area Code 860 History:

Area code 860 was put into service. Area code 860 was created from a split of area code 203

On August 30, 2014 area code 959 was put into service as an overlay of area code 860. Effective August 8, 2014 ten digit dialing in the 860 and 959 area codes became mandatory.

Ten digit dialing (area code + seven digit number) is necessary in the 860/959 overlay because two different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.

Counties in Connecticut within area code 860 include:

Hartford County, Litchfield County, Middlesex County, New London County, Tolland County, and Windham County.

Major cities or places in Connecticut within area code 860 include:

Area code 860 covers most of Connecticut, except the southwest portion of the state which uses area codes 203 and 475, including the larger cities and communities of Bristol, Central Manchester, East Hartford, Hartford, Middletown, New Britian, New London, Norwich, Torrington, West Hartford and Wethersfield in addition to many smaller communities within the area code 860 service area.

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