New Castle CO ZIP Code

New Castle city is located in Colorado State, Garfield County and has a unique zip code assigned by the US Postal Service Office.


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

New Castle Area Code is 970 and Time Zone is Mountain (GMT -07:00).



New Castle Zip Code - Colorado

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

The New Castle Zip Code is 81647.



If you want to send a mail to New Castle City, you should use the 81647 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded New Castle 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 81647 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a New Castle 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 Colorado.


New Castle, Colorado - MAP



What is the New Castle Zip Code?

The New Castle Zip Code in Colorado is 81647.


ZIP Plus 4 New Castle - US Streets Zip Codes

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


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Search New Castle Zip Code

What is the zip code for New Castle CO?

81647

New Castle, Colorado - US Zip Code



New Castle ZIP Code Lookup

81647 Zip Code File:
Zip Code: 81647,
City: New Castle
New Castle Area Code: 970
New Castle, CO - Time Zone: Mountain (GMT -07:00)
County: Garfield
City Alias: New Castle
State: Colorado
State Abb: CO



Colorado Zip+4 - Nearby New Castle Cities

Cities near New Castle in Colorado
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View more Colorado zip codes