Delaware Area Codes
1 active area code · Wilmington · Population around 431,740
Delaware has 1 active area code, serving cities like Wilmington, Dover, and Newark. A single area code covers the whole state. Each code below links to its cities, carriers, timezone, and coverage map.
Delaware Area Code Map
What area codes does Delaware have?
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does Delaware have?
Delaware has 1 active area code: 302.
What is the main area code for Delaware?
The 302 area code is among the primary area codes for Delaware, serving Wilmington and surrounding communities.
What are the largest cities in Delaware?
The largest cities in Delaware include Wilmington, Dover, Newark, Middletown, Bear.
What is the total population of Delaware?
Delaware has an estimated total population of 431,740 based on US Census PEP 2024 data.