What city is ZIP code 21240?

21240 is a Baltimore, Maryland ZIP code. Millersville is also accepted as the city name.

What county is 21240 in?

ZIP code 21240 is in Anne Arundel County, Maryland.

What time zone is ZIP code 21240 in?

21240 is in the Eastern Time zone (America/New_York).

What area code is 21240?

Phone numbers in ZIP code 21240 use area codes 410, 443 and 667.

What ZIP codes are near 21240?

The nearest ZIP codes to 21240 are 21077 (Harmans, 1.9 miles), 21090 (Linthicum Heights, 2.4 miles), 21061 (Glen Burnie, 2.5 miles) and 21076 (Hanover, 2.9 miles).

ZIP code 21240

Where is ZIP code 21240?

Baltimore, Maryland

Anne Arundel County · Standard ZIP code

ZIP code 21240 belongs to Baltimore, Maryland in Anne Arundel County. 21240 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. The closest ZIP codes are 21077 (Harmans, 1.9 mi southwest), 21090 (Linthicum Heights, 2.4 mi north) and 21061 (Glen Burnie, 2.5 mi east).

ZIP code	21240
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Baltimore
Also accepted	Millersville
State	Maryland (MD)
County	Anne Arundel County
Time zone	Eastern Time · now
Area codes	410, 443, 667
Coordinates	39.1753, -76.6732 map
3-digit prefix	212

ZIP codes near 21240

ZIP code	City	Distance	Type
21077	Harmans, MD	1.9 mi SW	Standard
21090	Linthicum Heights, MD	2.4 mi N	Standard
21061	Glen Burnie, MD	2.5 mi E	Standard
21076	Hanover, MD	2.9 mi SW	Standard
21144	Severn, MD	3.6 mi S	Standard
21227	Halethorpe, MD	4 mi N	Standard
21075	Elkridge, MD	4.8 mi NW	Standard
21225	Brooklyn, MD	4.9 mi NE	Standard
21060	Glen Burnie, MD	5 mi E	Standard
21250	Baltimore, MD	5.6 mi N	Unique
21108	Millersville, MD	5.7 mi SE	Standard
21226	Curtis Bay, MD	6.6 mi E	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21240 or measure the distance to another ZIP code.

How to address mail to 21240

JANE SMITH
123 MAIN ST
BALTIMORE MD 21240

Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MILLERSVILLE as the city name for 21240. Adding the 4-digit ZIP+4 code (21240-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Baltimore, MD

All Baltimore ZIP codes with population and income →

Questions

What city is ZIP code 21240?: 21240 is a Baltimore, Maryland ZIP code. Millersville is also accepted as the city name.
What county is 21240 in?: ZIP code 21240 is in Anne Arundel County, Maryland.
What time zone is ZIP code 21240 in?: 21240 is in the Eastern Time zone (America/New_York).
What area code is 21240?: Phone numbers in ZIP code 21240 use area codes 410, 443 and 667.
What ZIP codes are near 21240?: The nearest ZIP codes to 21240 are 21077 (Harmans, 1.9 miles), 21090 (Linthicum Heights, 2.4 miles), 21061 (Glen Burnie, 2.5 miles) and 21076 (Hanover, 2.9 miles).