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GUNPOWDER, MD ZIP Code

CityGUNPOWDER
StateMaryland
ZIP Codes count1 (see all)
Post offices count2 (see all)
ZIP Code for GUNPOWDER, Maryland
21010
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.

ZIP Codes for GUNPOWDER, MD by streets

Select a street from the list to find ZIP+4 code by address (street and house number)

List of GUNPOWDER, MD ZIP Codes

ZIPTYPEPOPULATION
21010STANDARD272

Post offices

ABERDEEN PROVING GROUND — Post Office™
4510 BOOTHBY HILL AVE ABERDEEN PROVING GROUND, MD 21005-9998
GUNPOWDER — Post Office™
4405 AUSTIN RD GUNPOWDER, MD 21010-9998

Envelope example

On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:

  1. Recipient's full name
  2. Full street address
  3. City, State, and ZIP Code

Using the same format, write the return address in the top left corner.

Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.
The recipient address information is provided for your reference.
The recipient address information is provided for your reference.

Address example

1111 CHESTER CT
GUNPOWDER MD  21010-1701
4618 GUNPOWDER LOOP
GUNPOWDER MD  21010-5104
7751 HALINCE RD
GUNPOWDER MD  21010-4000
4989 JESSUP RD
GUNPOWDER MD  21010-5103
4241 OTTO RD
GUNPOWDER MD  21010-5407
4631 PARRISH RD
GUNPOWDER MD  21010-1621

Map

ZIP Codes for other locations

State for GUNPOWDER
Maryland ZIP Codes
Other cities in Maryland
BALTIMORESILVER SPRINGBETHESDAROCKVILLEGAITHERSBURGGREENLAND BEACHGREENMOUNTGREENSBOROGUNPOWDERGWYNN OAKHAGERSTOWNHALETHORPE