ZIP code 20610
Where is ZIP code 20610?
Barstow, Maryland
Calvert County · PO Box only ZIP code
ZIP code 20610 belongs to Barstow, Maryland in Calvert County. 20610 is a PO Box only ZIP code: it is used for post office boxes at the Barstow post office, not for street addresses. It is in the Eastern Time zone and uses area code 410. The closest ZIP codes are 20678 (Prince Frederick, 1.2 mi northeast), 20612 (Benedict, 3.6 mi west) and 20676 (Port Republic, 4.9 mi southeast).
| ZIP code | 20610 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Barstow |
| State | Maryland (MD) |
| County | Calvert County |
| Time zone | Eastern Time · now |
| Area code | 410 |
| Coordinates | 38.5254, -76.6161 map |
| 3-digit prefix | 206 |
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 20610
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20678 | Prince Frederick, MD | 1.2 mi NE | Standard |
| 20612 | Benedict, MD | 3.6 mi W | PO Box only |
| 20676 | Port Republic, MD | 4.9 mi SE | Standard |
| 20639 | Huntingtown, MD | 5.9 mi N | Standard |
| 20608 | Aquasco, MD | 6.6 mi NW | Standard |
| 20685 | Saint Leonard, MD | 7.7 mi SE | Standard |
| 20615 | Broomes Island, MD | 8.3 mi SE | Standard |
| 20689 | Sunderland, MD | 8.8 mi N | Standard |
| 20659 | Mechanicsville, MD | 8.9 mi SW | Standard |
| 20637 | Hughesville, MD | 9 mi W | Standard |
| 20622 | Charlotte Hall, MD | 10.7 mi W | Standard |
| 20732 | Chesapeake Beach, MD | 10.8 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20610 or measure the distance to another ZIP code.
How to address mail to 20610
PO BOX 123
BARSTOW MD 20610
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20610-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20610?
- 20610 is a Barstow, Maryland ZIP code.
- What county is 20610 in?
- ZIP code 20610 is in Calvert County, Maryland.
- What time zone is ZIP code 20610 in?
- 20610 is in the Eastern Time zone (America/New_York).
- What area code is 20610?
- Phone numbers in ZIP code 20610 use area code 410.
- Can I use 20610 for a street address?
- No. 20610 is only for PO Boxes. Street addresses in Barstow use another ZIP code.
- What ZIP codes are near 20610?
- The nearest ZIP codes to 20610 are 20678 (Prince Frederick, 1.2 miles), 20612 (Benedict, 3.6 miles), 20676 (Port Republic, 4.9 miles) and 20639 (Huntingtown, 5.9 miles).