302 Area Code: Cities, Time Zone and Zip Codes
What area code is 302? The area code 302 is located in Delaware and it serves Wilmington, Dover, Newark, Bear, Middletown, Brookside, Glasgow, Hockessin, Pile Creek Valley, Smyrna, Milford, Claymont, and some other surrounding cities. The area code 302 was created on January 1, 1947 and was first put to use on January 1, 1947.