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area code

Biggest city:





Eastern (GMT -5)

Nearby area codes: 

Zip codes



Major Cities:

Wilmington, Dover, Newark


Average Income:





Unemployment Rate:

The 302 area code holds a unique position as it serves the entire state of Delaware, reflecting its importance in the region's telecommunication landscape. Statewide Coverage and Historical Significance: The 302 area code is notable for being the sole area code for the entire state of Delaware. Established in 1947 as part of the North American Numbering Plan, it has remained unchanged since its inception, making Delaware one of the few states in the United States to be served by a single area code. This uniformity simplifies telecommunications across the state. Economic and Cultural Impact: Delaware's 302 area code facilitates communication for a wide range of economic activities, including its significant financial and corporate services sector, agriculture, and growing tourism industry. The area code also supports the state's cultural and historical sites, which are key to Delaware's identity and heritage, including its role in early American history as the first state to ratify the United States Constitution. No Overlay and Seven-Digit Dialing: Unlike many other regions in the United States that have introduced overlay area codes, resulting in mandatory ten-digit dialing, Delaware continues to use seven-digit dialing within the 302 area code. This means that calls within Delaware do not require the area code to be dialed for local calls, maintaining a simpler dialing process for residents and businesses. These facts about the 302 area code underscore its crucial role in supporting telecommunications across Delaware. By providing a single, unified numbering plan, the 302 area code ensures efficient and straightforward communication throughout the state, catering to its diverse economic, cultural, and social needs.
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