Area Code -203-### Prefixes List

• Country: United States
• Capital City: Connecticut (CT)
• Time Zone: 203

Telephone numbers whose prefix is 203
Area codes starting with 203
Prefix: 203 corresponds to a telephone number Landline whose location (town, department, region or country) is Connecticut (CT)

Check out the list of numbers starting with 203 in the United States. With our directory, you can check out comments about this telephone number or leave your own comment.