Alamosa CO ZIP Code


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


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

Alamosa Area Code is 719 and Time Zone is Mountain (GMT -07:00).



Alamosa Zip Code - Colorado

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

The Alamosa Zip Code is 81101, 81102.



If you want to send a mail to Alamosa City, you should use the 81101, 81102 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Alamosa 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 81101, 81102 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Alamosa 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.


Alamosa, Colorado - MAP



What is the Alamosa Zip Code?

The Alamosa Zip Code in Colorado is 81101, 81102.


ZIP Plus 4 Alamosa - US Streets Zip Codes

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


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Search Alamosa Zip Code

What is the zip code for Alamosa CO?

81101, 81102

Alamosa, Colorado - US Zip Code



Alamosa ZIP Code Lookup

81101, 81102 Zip Code File:
Zip Code: 81101, 81102,
City: Alamosa
Alamosa Area Code: 719
Alamosa, CO - Time Zone: Mountain (GMT -07:00)
County: Alamosa
City Alias: Estrella, East Alamosa, Henry, Washington, Stanley, Waverly, Sand Dunes Mo, Carmel, Great Sand Dunes National Mo, Alamosa, Adams State College, Alamosa
State: Colorado
State Abb: CO



Colorado Zip+4 - Nearby Alamosa Cities

Cities near Alamosa in Colorado
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View more Colorado zip codes