03857 ZIP Code

03857 is a zip code assigned by the US Postal Service Office for a US City.


You can search for the 03857 zip code by its streets and block numbers if we have some of the streets loaded in our website

You should use 03857 Zip Code if you want to send mail to a certain US City.



03857 Zip Code - US ZIP Codes

The US ZIP Code basic format consists of five decimal numerical digits assigned like the 03857 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 03857 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.



03857 Zip Code belongs to Newmarket, NH - US. 03857 Zip code is located at Rockingham County and is related to this cities: Newmarket

03857 Zip Code Area Code is 603 and 03857 Zip Code Time Zone is Eastern (GMT -05:00).

In 1983, the U.S. Postal Service introduced an expanded Newmarket 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 03857 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Newmarket 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.


03857 Zip Code MAP



What city is 03857 Zip Code?

The 03857 Zip Code is assigned to Newmarket City in New Hampshire State.




ZIP Plus 4 Newmarket - US Streets Zip Codes

Please check the Newmarket page



Reverse 03857 Zip Code Lookup

03857 Zip Code City?

Newmarket, NH

Newmarket (Rockingham County), New Hampshire - US

This Zip code is related to Newmarket City



03857 ZIP Code Lookup

03857 Zip Code File:
Zip Code: 03857
City: Newmarket
Newmarket Area Code: 603
Newmarket, NH - Time Zone: Eastern (GMT -05:00)
County: Rockingham
City Aliases: Newmarket
State: New Hampshire
State Abb: NH