What city is ZIP code 21278?

21278 is a Baltimore, Maryland ZIP code.

What county is 21278 in?

ZIP code 21278 is in Baltimore City, Maryland.

What time zone is ZIP code 21278 in?

21278 is in the Eastern Time zone (America/New_York).

What area code is 21278?

Phone numbers in ZIP code 21278 use area code 410.

Can I use 21278 for a street address?

Only for mail to the organization it is assigned to. Other addresses in Baltimore use a standard ZIP code.

What ZIP codes are near 21278?

The nearest ZIP codes to 21278 are 21203 (Baltimore, 0 miles), 21233 (Baltimore, 0 miles), 21235 (Baltimore, 0 miles) and 21241 (Baltimore, 0 miles).

ZIP code 21278

Where is ZIP code 21278?

Baltimore, Maryland

Baltimore City · Unique ZIP code

ZIP code 21278 belongs to Baltimore, Maryland in Baltimore City. 21278 is a unique ZIP code assigned to a single organization (Baltimore Sunpapers) that gets a lot of mail. It is in the Eastern Time zone and uses area code 410. The closest ZIP codes are 21203 (Baltimore, 0 mi north), 21233 (Baltimore, 0 mi north) and 21235 (Baltimore, 0 mi north).

ZIP code	21278
Type	Unique ZIP code for a single organization
Status	Active
City	Baltimore
State	Maryland (MD)
County	Baltimore City
Time zone	Eastern Time · now
Area code	410
Coordinates	39.2847, -76.6205 map
3-digit prefix	212

The Census Bureau doesn’t publish population figures for unique ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.

ZIP codes near 21278

ZIP code	City	Distance	Type
21203	Baltimore, MD	0 mi N	PO Box only
21233	Baltimore, MD	0 mi N	Standard
21235	Baltimore, MD	0 mi N	Unique
21241	Baltimore, MD	0 mi N	Unique
21263	Baltimore, MD	0 mi N	Unique
21264	Baltimore, MD	0 mi N	Unique
21270	Baltimore, MD	0 mi N	PO Box only
21273	Baltimore, MD	0 mi N	Unique
21275	Baltimore, MD	0 mi N	Unique
21279	Baltimore, MD	0 mi N	Unique
21281	Baltimore, MD	0 mi N	PO Box only
21289	Baltimore, MD	0 mi N	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21278 or measure the distance to another ZIP code.

How to address mail to 21278

JANE SMITH
123 MAIN ST
BALTIMORE MD 21278

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21278-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 21278?: 21278 is a Baltimore, Maryland ZIP code.
What county is 21278 in?: ZIP code 21278 is in Baltimore City, Maryland.
What time zone is ZIP code 21278 in?: 21278 is in the Eastern Time zone (America/New_York).
What area code is 21278?: Phone numbers in ZIP code 21278 use area code 410.
Can I use 21278 for a street address?: Only for mail to the organization it is assigned to. Other addresses in Baltimore use a standard ZIP code.
What ZIP codes are near 21278?: The nearest ZIP codes to 21278 are 21203 (Baltimore, 0 miles), 21233 (Baltimore, 0 miles), 21235 (Baltimore, 0 miles) and 21241 (Baltimore, 0 miles).