ZIP code 21404
Where is ZIP code 21404?
Annapolis, Maryland
Anne Arundel County · PO Box only ZIP code
ZIP code 21404 belongs to Annapolis, Maryland in Anne Arundel County. 21404 is a PO Box only ZIP code: it is used for post office boxes at the Annapolis post office, not for street addresses. It is in the Eastern Time zone and uses area code 410. The closest ZIP codes are 21402 (Annapolis, 1.3 mi northeast), 21403 (Annapolis, 1.8 mi south) and 21401 (Annapolis, 3.2 mi west).
| ZIP code | 21404 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Annapolis |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Time zone | Eastern Time · now |
| Area code | 410 |
| Coordinates | 38.9784, -76.4922 map |
| 3-digit prefix | 214 |
The Census Bureau doesn’t publish population figures for po box only 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 21404
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21402 | Annapolis, MD | 1.3 mi NE | Standard |
| 21403 | Annapolis, MD | 1.8 mi S | Standard |
| 21401 | Annapolis, MD | 3.2 mi W | Standard |
| 21012 | Arnold, MD | 4.8 mi N | Standard |
| 21405 | Annapolis, MD | 4.8 mi NW | Standard |
| 21037 | Edgewater, MD | 5.2 mi SW | Standard |
| 21409 | Annapolis, MD | 5.3 mi NE | Standard |
| 21140 | Riva, MD | 5.4 mi W | Standard |
| 21062 | Glen Burnie, MD | 5.5 mi W | Unique |
| 21123 | Pasadena, MD | 5.5 mi W | PO Box only |
| 21411 | Annapolis, MD | 5.5 mi W | Unique |
| 21412 | Annapolis, MD | 5.5 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21404 or measure the distance to another ZIP code.
How to address mail to 21404
PO BOX 123
ANNAPOLIS MD 21404
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21404-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Annapolis, MD
All Annapolis ZIP codes with population and income →
Questions
- What city is ZIP code 21404?
- 21404 is a Annapolis, Maryland ZIP code.
- What county is 21404 in?
- ZIP code 21404 is in Anne Arundel County, Maryland.
- What time zone is ZIP code 21404 in?
- 21404 is in the Eastern Time zone (America/New_York).
- What area code is 21404?
- Phone numbers in ZIP code 21404 use area code 410.
- Can I use 21404 for a street address?
- No. 21404 is only for PO Boxes. Street addresses in Annapolis use 21401, 21402, 21403.
- What ZIP codes are near 21404?
- The nearest ZIP codes to 21404 are 21402 (Annapolis, 1.3 miles), 21403 (Annapolis, 1.8 miles), 21401 (Annapolis, 3.2 miles) and 21012 (Arnold, 4.8 miles).