Portsmouth NH ZIP Code

Portsmouth 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 Portsmouth NH zip code by its streets and block numbers if we have some of the Portsmouth streets loaded in our website

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



Portsmouth Zip Code - New Hampshire

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

The Portsmouth Zip Code is 03801, 03802, 03803, 03804.



If you want to send a mail to Portsmouth City, you should use the 03801, 03802, 03803, 03804 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Portsmouth 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 03801, 03802, 03803, 03804 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Portsmouth 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.


Portsmouth, New Hampshire - MAP




What is the Portsmouth Zip Code?

The Portsmouth Zip Code in New Hampshire is 03801, 03802, 03803, 03804.


ZIP Plus 4 Portsmouth - US Streets Zip Codes

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Search Portsmouth Zip Code

What is the zip code for Portsmouth NH?

03801, 03802, 03803, 03804

Portsmouth, New Hampshire - US Zip Code



Portsmouth ZIP Code Lookup

03801, 03802, 03803, 03804 Zip Code File:
Zip Code: 03801, 03802, 03803, 03804,
City: Portsmouth
Portsmouth Area Code: 603
Portsmouth, NH - Time Zone: Eastern (GMT -05:00)
County: Rockingham
City Alias: Newington, Portsmouth, Portsmouth, Portsmouth, Air National Guard, Portsmouth
State: New Hampshire
State Abb: NH



New Hampshire Zip+4 - Nearby Portsmouth Cities

Cities near Portsmouth in New Hampshire
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