ZIP Code 03803

Portsmouth, New Hampshire · Rockingham

PortsmouthRockinghamNew HampshireUnited States

Which New Hampshire city is ZIP code 03803 in?
ZIP code 03803 belongs to the city of Portsmouth in New Hampshire (Rockingham). See all New Hampshire ZIP Codes.

ZIP code 03803 belongs to Portsmouth, New Hampshire, in Rockingham. If you are mailing a letter or package to this area, use Portsmouth, NH 03803 in the address. On this page you will find the city and county for 03803, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.

03803ZIP Code

PortsmouthCity

RockinghamCounty

New HampshireState

What City Is ZIP Code 03803?

The city for ZIP code 03803 is Portsmouth, New Hampshire. When you write an address in this area, the correct format is: Name, Street Address, Portsmouth, NH 03803.

ZIP Code 03803 County and State

ZIP code 03803 is located in Rockingham, New Hampshire. For a complete list of cities and ZIP codes across the state, see the New Hampshire ZIP Codes page.

Nearby ZIP Codes in Rockingham

These ZIP codes are in the same county as 03803:

03032 Auburn 03034 Candia 03036 Chester 03037 Deerfield 03038 Derry 03040 East Candia 03041 East Derry 03042 Epping 03044 Fremont

ZIP Code 03803 on the Map

The map below shows the approximate center of ZIP code 03803, near Portsmouth, New Hampshire. You can zoom in and drag the map to explore the area.

Map center is approximate (ZIP area center, around 43.0718, -70.7626). Map data © OpenStreetMap.

Find an Address in ZIP Code 03803

Need the full ZIP+4 code for a specific street address in Portsmouth? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.