Zip Code 20635, USA and Canada zip code database

 

Zip Code 20635 Geographic Information

Main facts about zip code 20635.

Continent: North America
Country: USA
State: Maryland
County: St Mary's County
Primary City: Helen
Other acceptable city names recognized for zip code 20635
20635
Helen

Additional Information

Zip Type: PO BOX
Decommissioned: No
Time Zone: America/New_York
Area Codes: 240

Estimated Households Statistic

Housholds statistics for zip code 20635

IRS Statistic

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