Columbia, MD ZIP Codes, Coordinates & Counties
Columbia, Maryland has 3 ZIP codes in Howard county. The approximate center of Columbia is 39.197, -76.851. Columbia has about 107,135 known street addresses.
ZIP codes in Columbia, MD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 21044 | Howard | 39.21 | -76.884 |
| 21045 | Howard | 39.206 | -76.827 |
| 21046 | Howard | 39.174 | -76.842 |
Counties Columbia spans
Howard
Most common streets in Columbia
Valencia, Merriweather, Little Patuxent, Oak Hall, Columbia, Stevens Forest, Cedar, Twin Rivers, Wincopin, Hickory Ridge
Frequently asked questions
What ZIP codes are in Columbia, MD?
Columbia, Maryland has 3 ZIP codes, ranging from 21044 to 21046. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Columbia, MD in?
Columbia is in Howard county.
What are the latitude and longitude of Columbia, MD?
The approximate center of Columbia, Maryland is latitude 39.197, longitude -76.851. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Columbia, MD have?
Columbia has 3 ZIP codes.
How many addresses are in Columbia, MD?
Columbia, Maryland has about 107,135 known street addresses in the sthan.io US address database.
What are the most common streets in Columbia, MD?
Some of the most common street names in Columbia are Valencia, Merriweather, Little Patuxent, Oak Hall, Columbia, Stevens Forest.
What cities are near Columbia, MD?
Cities near Columbia include Clarksville (5 mi), Elkridge (5 mi), Ellicott City (5 mi), Fulton (5 mi), Jessup (5 mi).
Cities near Columbia
Clarksville, MD (5 mi) Elkridge, MD (5 mi) Ellicott City, MD (5 mi) Fulton, MD (5 mi) Jessup, MD (5 mi) Savage, MD (5 mi) Annapolis Junction, MD (6 mi) Highland, MD (6 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database