North Waltham MA ZIP Code
North Waltham city is located in Massachusetts State, Middlesex County and has a unique zip code assigned by the US Postal Service Office.
You can search for the North Waltham MA zip code by its streets and block numbers if we have some of the North Waltham streets loaded in our website
North Waltham Area Code is 617/781/978/857/339 and Time Zone is Eastern (GMT -05:00).
North Waltham Zip Code - Massachusetts
The US ZIP Code basic format consists of five decimal numerical digits assigned to the North Waltham City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the North Waltham ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in North Waltham, Massachusetts.
The North Waltham Zip Code is 02455.
If you want to send a mail to North Waltham City, you should use the 02455 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded North Waltham 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 02455 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a North Waltham 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 Massachusetts.