Area code 203 has the following city / states:

• Ansonia, Connecticut	• Beacon Falls, Connecticut	• Bethany, Connecticut
• Bethel, Connecticut	• Bethlehem, Connecticut	• Botsford, Connecticut
• Branford, Connecticut	• Bridgeport, Connecticut	• Brookfield, Connecticut
• Cheshire, Connecticut	• Cos Cob, Connecticut	• Danbury, Connecticut
• Darien, Connecticut	• Derby, Connecticut	• East Haven, Connecticut
• Easton, Connecticut	• Fairfield, Connecticut	• Georgetown, Connecticut
• Greens Farms, Connecticut	• Greenwich, Connecticut	• Guilford, Connecticut
• Hamden, Connecticut	• Hawleyville, Connecticut	• Madison, Connecticut
• Meriden, Connecticut	• Middlebury, Connecticut	• Milford, Connecticut
• Monroe, Connecticut	• Naugatuck, Connecticut	• New Canaan, Connecticut
• New Fairfield, Connecticut	• New Haven, Connecticut	• Newtown, Connecticut
• North Branford, Connecticut	• North Haven, Connecticut	• Northford, Connecticut
• Norwalk, Connecticut	• Old Greenwich, Connecticut	• Orange, Connecticut
• Oxford, Connecticut	• Prospect, Connecticut	• Redding, Connecticut
• Redding Center, Connecticut	• Redding Ridge, Connecticut	• Ridgefield, Connecticut
• Riverside, Connecticut	• Roxbury, Connecticut	• Sandy Hook, Connecticut
• Seymour, Connecticut	• Shelton, Connecticut	• Sherman, Connecticut
• South Britain, Connecticut	• Southbury, Connecticut	• Southport, Connecticut
• Stamford, Connecticut	• Stevenson, Connecticut	• Stratford, Connecticut
• Trumbull, Connecticut	• Wallingford, Connecticut	• Waterbury, Connecticut
• West Haven, Connecticut	• Weston, Connecticut	• Westport, Connecticut
• Wilton, Connecticut	• Wolcott, Connecticut	• Woodbridge, Connecticut
• Woodbury, Connecticut

Look up cities and states by area code through our directory. This directory is set up to display al l the area codes in the United States. If you select the area code, it will display all the cities that belong to that area code.

• Link to area code directory