21738 ZIP Code


Last added ZIP code areas:

55744 zip code fishers area code 12524 zip code churchill downs zip code willimantic connecticut zip code west richland wa zip code 10116 zip code kingstowne va zip code fredonia ks zip code milliken colorado zip code taco bell nw expressway oklahoma city hartsville south carolina zip code paragould ar zip emerson ga zip ups store nw expressway oklahoma city 7733 jefferson detroit mi west valley city ut zip code croton falls zip code esko mn zip code washington county utah zip codes 5200 clark road, sarasota, florida chehalis wa 9 digit zip code




21738 is a zip code assigned by the US Postal Service Office for a US City.


You can search for the 21738 zip code by its streets and block numbers if we have some of the streets loaded in our website

You should use 21738 Zip Code if you want to send mail to a certain US City.



21738 Zip Code - US ZIP Codes

The US ZIP Code basic format consists of five decimal numerical digits assigned like the 21738 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 21738 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.



21738 Zip Code belongs to Glenwood, MD - US. 21738 Zip code is located at Howard County and is related to this cities: Glenwood

21738 Zip Code Area Code is 443/410 and 21738 Zip Code Time Zone is Eastern (GMT -05:00).

In 1983, the U.S. Postal Service introduced an expanded Glenwood 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 21738 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Glenwood 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 Maryland.


21738 Zip Code MAP



What city is 21738 Zip Code?

The 21738 Zip Code is assigned to Glenwood City in Maryland State.




ZIP Plus 4 Glenwood - US Streets Zip Codes

Please check the Glenwood page



Reverse 21738 Zip Code Lookup

21738 Zip Code City?

Glenwood, MD

Glenwood (Howard County), Maryland - US

This Zip code is related to Glenwood City



21738 ZIP Code Lookup

21738 Zip Code File:
Zip Code: 21738
City: Glenwood
Glenwood Area Code: 443/410
Glenwood, MD - Time Zone: Eastern (GMT -05:00)
County: Howard
City Aliases: Glenwood
State: Maryland
State Abb: MD