Alton NH ZIP Code

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

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

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

Alton Zip Code - New Hampshire

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

The Alton Zip Code is 03809.

If you want to send a mail to Alton City, you should use the 03809 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Alton 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 03809 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Alton 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.

Alton, New Hampshire - MAP

What is the Alton Zip Code?

The Alton Zip Code in New Hampshire is 03809.

ZIP Plus 4 Alton - US Streets Zip Codes

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Alton, New Hampshire -

Alton ZIP Code Lookup

03809 Zip Code File:
Zip Code: 03809,
City: Alton
Alton Area Code: 603
Alton, NH - Time Zone: Eastern (GMT -05:00)
County: Belknap
City Alias: Alton
State: New Hampshire
State Abb: NH

New Hampshire Zip+4 - Nearby Alton Cities

Cities near Alton in New Hampshire
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View more New Hampshire zip codes

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