Seabrook NH ZIP Code

Seabrook city is located in New Hampshire State, Rockingham County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Seabrook NH zip code by its streets and block numbers if we have some of the Seabrook streets loaded in our website

Seabrook Area Code is 603 and Time Zone is Eastern (GMT -05:00).


Seabrook Zip Code - New Hampshire

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Seabrook City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Seabrook ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Seabrook, New Hampshire.

If you want to send a mail to Seabrook City, you should use the 03874 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Seabrook ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 03874 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Seabrook city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in New Hampshire.


Seabrook, New Hampshire - MAP


ZIP Plus 4 Seabrook - US Streets Zip Codes

By pressing keys ctrol + F you can search Seabrook zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Seabrook ZIP Code Lookup

03874 Zip Code Information:
Zip Code: 03874,
City: Seabrook
Seabrook Area Code: 603
Seabrook, NH - Time Zone: Eastern (GMT -05:00)
County: Rockingham
City Alias: Seabrook
State: New Hampshire
State Abb: NH



New Hampshire Zip+4 - Nearby Seabrook Cities

Cities near Seabrook in New Hampshire
(straight line)


View more New Hampshire zip codes