What city is ZIP code 20635?

20635 is a Helen, Maryland ZIP code.

What county is 20635 in?

ZIP code 20635 is in St Mary's County, Maryland.

What time zone is ZIP code 20635 in?

20635 is in the Eastern Time zone (America/New_York).

What area code is 20635?

Phone numbers in ZIP code 20635 use area code 240.

Can I use 20635 for a street address?

No. 20635 is only for PO Boxes. Street addresses in Helen use another ZIP code.

What ZIP codes are near 20635?

The nearest ZIP codes to 20635 are 20650 (Leonardtown, 2.9 miles), 20636 (Hollywood, 3.7 miles), 20619 (California, 4.2 miles) and 20656 (Loveville, 5.2 miles).

ZIP code 20635

Where is ZIP code 20635?

Helen, Maryland

St Mary's County · PO Box only ZIP code

ZIP code 20635 belongs to Helen, Maryland in St Mary's County. 20635 is a PO Box only ZIP code: it is used for post office boxes at the Helen post office, not for street addresses. It is in the Eastern Time zone and uses area code 240. The closest ZIP codes are 20650 (Leonardtown, 2.9 mi southwest), 20636 (Hollywood, 3.7 mi northeast) and 20619 (California, 4.2 mi east).

ZIP code	20635
Type	PO Box only (no street delivery)
Status	Active
City	Helen
State	Maryland (MD)
County	St Mary's County
Time zone	Eastern Time · now
Area code	240
Coordinates	38.3121, -76.6077 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 20635

ZIP code	City	Distance	Type
20650	Leonardtown, MD	2.9 mi SW	Standard
20636	Hollywood, MD	3.7 mi NE	Standard
20619	California, MD	4.2 mi E	Standard
20656	Loveville, MD	5.2 mi NW	Standard
20627	Compton, MD	5.8 mi SW	PO Box only
20660	Morganza, MD	6.5 mi NW	PO Box only
20624	Clements, MD	6.7 mi W	Standard
20634	Great Mills, MD	6.8 mi SE	Standard
20620	Callaway, MD	7.5 mi SE	Standard
20609	Avenue, MD	7.8 mi W	Standard
20688	Solomons, MD	7.8 mi E	Standard
20615	Broomes Island, MD	8 mi NE	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20635 or measure the distance to another ZIP code.

How to address mail to 20635

JANE SMITH
PO BOX 123
HELEN MD 20635

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20635-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 20635?: 20635 is a Helen, Maryland ZIP code.
What county is 20635 in?: ZIP code 20635 is in St Mary's County, Maryland.
What time zone is ZIP code 20635 in?: 20635 is in the Eastern Time zone (America/New_York).
What area code is 20635?: Phone numbers in ZIP code 20635 use area code 240.
Can I use 20635 for a street address?: No. 20635 is only for PO Boxes. Street addresses in Helen use another ZIP code.
What ZIP codes are near 20635?: The nearest ZIP codes to 20635 are 20650 (Leonardtown, 2.9 miles), 20636 (Hollywood, 3.7 miles), 20619 (California, 4.2 miles) and 20656 (Loveville, 5.2 miles).