ZIP Code 21045 — Columbia, Maryland
ZIP code 21045 belongs to Columbia, Maryland (county: Howard). It sits at latitude 39.2051, longitude -76.8322 in the America/New_York time zone.
| Field | Value |
|---|---|
| ZIP code | 21045 |
| City / place | Columbia |
| State | Maryland |
| County | Howard |
| Coordinates | 39.2051, -76.8322 |
| Time zone | America/New_York |
| City population | 99,615 |
| ZIP type | PO box / unique |
| Telephone area codes | 410, 443, 667 |
What is ZIP code 21045?
21045 is a five-digit ZIP code used by the United States Postal Service for Columbia, Maryland. It is one of 3 ZIP codes associated with Columbia in this dataset. The delivery area is served from the local post office network, so the ZIP can cover more than one neighbourhood or even cross a city line.
ZIP codes in the same city
Area codes and city profile
Telephone area codes serving Columbia: 410, 443, 667. For population, county and county-seat details, see Columbia and all places in Maryland.
Nearby ZIP codes
21044 4.1 km · Columbia21046 4.3 km · Columbia21043 6.2 km · Ellicott City21075 6.8 km · Elkridge20794 7.2 km · Jessup20763 7.5 km · Savage21042 7.9 km · Ellicott City20723 9.4 km · Laurel
Frequently asked questions
What city is ZIP code 21045 in?
ZIP code 21045 is in Columbia, Maryland.
What county is 21045 in?
21045 belongs to Howard in Maryland.
What time zone is ZIP code 21045 in?
21045 is in the America/New_York time zone.