ZIP Code 21045: Columbia, Maryland
Columbia, MD uses ZIP code 21045, which falls within Howard County, Maryland. Its reference point is at latitude 39.2051 and longitude -76.8322 (39°12'18.4"N 76°49'55.9"W).
Location Overview of ZIP Code 21045
Columbia, MD has 3 ZIP codes in our directory. Besides 21045, they include 21044, 21046.
Across Howard County there are 21 ZIP codes listed, and Maryland has 644 in total.
The nearest listed ZIP code is 21044 in Columbia, MD, about 2.6 mi to the west.
| ZIP code | 21045 |
|---|---|
| City | Columbia |
| County | Howard County |
| State | Maryland (MD) |
| Latitude | 39.2051 |
| Longitude | -76.8322 |
| DMS | 39°12'18.4"N 76°49'55.9"W |
| Nearest ZIP | 21044 (Columbia, 2.6 mi) |
Map of ZIP Code 21045
Map centered on 39.2051, -76.8322. The pin marks the ZIP code's reference point, not its boundary.
Photos of Columbia, MD
Video: Columbia, MD
Living in Columbia Maryland - Village of Town Center Full VLOG Tour — by Living in Maryland · Watch on YouTube
ZIP Codes Near 21045
These 15 ZIP codes have the closest reference points to 21045, measured in a straight line.
Nearby Cities and Towns
The closest communities to ZIP code 21045, measured in a straight line from its reference point, are Ellicott City, MD (3.8 mi northeast), Elkridge, MD (4.2 mi east) and Jessup, MD (4.5 mi southeast). Distances are approximate and road distances will be longer.
- Ellicott City, MD – 3.8 mi northeast
- Elkridge, MD – 4.2 mi east
- Jessup, MD – 4.5 mi southeast
- Savage, MD – 4.7 mi south
- Annapolis Junction, MD – 5.3 mi south
- Laurel, MD – 5.9 mi south
- Simpsonville, MD – 6.3 mi west
- Clarksville, MD – 6.4 mi west
- Fulton, MD – 6.5 mi southwest
- Hanover, MD – 6.9 mi southeast
Schools Near Columbia, MD
Public school assignments in the United States are based on street address, so families in ZIP code 21045 should confirm their assigned school with the school district that serves Columbia and Howard County.
Searching nearby communities such as Ellicott City and Elkridge can widen the list of public, private and charter options. The links below open live Google Maps results centered on 21045.
Parks and Outdoor Recreation
Parks, trails and playgrounds around Columbia, MD are easiest to find on the map above or with the searches below, which are centered on ZIP code 21045.
Hospitals and Healthcare
Hospitals, urgent care clinics and pharmacies serving Columbia, MD can be found with the searches below. In a medical emergency, call 911.
Residents of ZIP code 21045 may also use facilities in nearby Ellicott City, Elkridge and Jessup.
Shopping and Dining in Columbia
Restaurants, grocery stores and shopping centers in and around ZIP code 21045 are listed in the Google Maps searches below, with current hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near Columbia, Maryland can be found with the searches below, which are centered on ZIP code 21045.
To research local history, try searching for Howard County records and archives along with the name Columbia.
Roads, Rivers and Lakes
From ZIP code 21045, Ellicott City lies about 3.8 mi to the northeast, Elkridge lies about 4.2 mi to the east, Jessup lies about 4.5 mi to the southeast, Savage lies about 4.7 mi to the south and Annapolis Junction lies about 5.3 mi to the south. Use the directions link for turn-by-turn routes and road names.
Rivers, lakes and other water features near Columbia show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 21045
Photo & Video Credits
- Photo 1 (“Edit fox sparrow blandair 3.24.20 DSC 0149”): lwolfartist, CC BY 2.0, via Wikimedia Commons.
- Photo 2 (“Edit fox sparrow blandair 11.10.19 DSC 0227”): lwolfartist, CC BY 2.0, via Wikimedia Commons.
- Video: “Living in Columbia Maryland - Village of Town Center Full VLOG Tour” by Living in Maryland, embedded from YouTube. All rights belong to the creator.
Photos are shown from their original source under the licenses listed. They were taken near this ZIP code's reference point and may show neighboring areas.
Data for ZIP code 21045 comes from a public U.S. postal code dataset and is provided for general reference. Always confirm mailing details with the U.S. Postal Service.