Newark, DE ZIP Codes, Area Codes and Address Format

City guides  |   |  2 min read

Newark is one of the busiest mail areas in Delaware, with 5 standard ZIP codes in New Castle County. Here is everything you need to format a Newark address correctly.

State
Delaware (DE)
County
New Castle County
Standard ZIP codes
5
Time zone
Eastern

Newark ZIP codes

These are the standard delivery ZIP codes for Newark. The city has 10 ZIP codes in total when PO Box and unique codes are included.

  • 19702
  • 19711
  • 19713
  • 19716
  • 19717

Area codes in Newark

Newark phone numbers use 302. A single area code keeps local numbers easy to recognize.

Sample Newark addresses

Joseph Wilson 724 Washington Pl Newark, DE 19717
Barbara Lewis 3549 Market Pl Unit 6B Newark, DE 19711

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Newark

  • End the address with NEWARK, DE and the five-digit ZIP code.
  • Put apartment or suite numbers at the end of the street line.
  • Use USPS abbreviations such as ST, AVE and BLVD.
  • Match the ZIP code to the street. Newark has 5 codes, so the city name alone is not enough.

Other cities in New Castle County

Wilmington, Bear, Claymont

More Delaware cities

Dover AFB, Bridgeville, Delmar, Bear, Felton, or see all Delaware cities.

Need test addresses in Newark? Generate as many as you need, with real ZIP codes and local area codes.

Generate Newark addresses