203 Area Code: Bridgeport, New Haven & Connecticut's Coast

203 is one of the original 1947 area codes, covering southwestern Connecticut along the New York commuter corridor.

History & Coverage

203 spans Bridgeport, New Haven, Stamford, and Greenwich — Connecticut's so-called "Gold Coast," known for its wealth and proximity to Manhattan.

Why Businesses Choose 203

• Ivy League research prestige: Yale University in New Haven anchors a deep talent and research pipeline
• Hedge fund and finance hub: Greenwich hosts one of the largest concentrations of hedge funds in the world
• NYC commuter wealth: the Gold Coast's proximity to New York draws high-income professionals and executives

Key Industries & Neighborhoods

New Haven anchors education and biotech research around Yale, while Greenwich and Stamford support finance and hedge fund headquarters.

Fun Facts

• Greenwich, within the 203, is often called the hedge fund capital of the world
• Yale University has called New Haven home since 1716

Conclusion

For finance, education, and biotech businesses, 203 combines Ivy League prestige with some of the wealthiest communities on the East Coast.