18501 - 18599 N Frederick AVE, Gaithersburg - ZIP+4 Zip Code


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The blocks from 18501 to 18599, at N Frederick AVE in Gaithersburg, Montgomery County - MD state have a unique zip code

18501 - 18599 N Frederick AVE, Gaithersburg Area Code is 301/240 and Time Zone is Eastern (GMT -05:00).

Remember you have 2 kinds of blocks: even or odd. In this case you are matching Odd numbers for this block



18501 N Frederick AVE ZIP Code Plus 4

The U.S. Postal Service introduced an expanded Gaithersburg ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", ZIP Plus 4 Gaithersburg - MD, or "add ons". A ZIP Plus Four Code (ZIP+4) uses the basic Zip code plus four additional digits related to N Frederick AVE to identify a geographic segment within the five-digit delivery area, such as a the 18501 to 18599 N Frederick AVE street block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Maryland.



The postal code from addresses 18501 to 18599, applies to residential houses, business, buildings, and every property with Odd numeration in this range.

18501 N Frederick AVE, Gaithersburg, zip code, Odd block, is valid to this street addresses:


  • N Frederick AVE 18501
  • N Frederick AVE 18503
  • N Frederick AVE 18505
  • N Frederick AVE 18507
  • N Frederick AVE 18509
  • N Frederick AVE 18511
  • N Frederick AVE 18513
  • N Frederick AVE 18515
  • N Frederick AVE 18517
  • N Frederick AVE 18519
  • N Frederick AVE 18521
  • N Frederick AVE 18523
  • N Frederick AVE 18525
  • N Frederick AVE 18527
  • N Frederick AVE 18529
  • N Frederick AVE 18531
  • N Frederick AVE 18533
  • N Frederick AVE 18535
  • N Frederick AVE 18537
  • N Frederick AVE 18539
  • N Frederick AVE 18541
  • N Frederick AVE 18543
  • N Frederick AVE 18545
  • N Frederick AVE 18547
  • N Frederick AVE 18549
  • N Frederick AVE 18551
  • N Frederick AVE 18553
  • N Frederick AVE 18555
  • N Frederick AVE 18557
  • N Frederick AVE 18559
  • N Frederick AVE 18561
  • N Frederick AVE 18563
  • N Frederick AVE 18565
  • N Frederick AVE 18567
  • N Frederick AVE 18569
  • N Frederick AVE 18571
  • N Frederick AVE 18573
  • N Frederick AVE 18575
  • N Frederick AVE 18577
  • N Frederick AVE 18579
  • N Frederick AVE 18581
  • N Frederick AVE 18583
  • N Frederick AVE 18585
  • N Frederick AVE 18587
  • N Frederick AVE 18589
  • N Frederick AVE 18591
  • N Frederick AVE 18593
  • N Frederick AVE 18595
  • N Frederick AVE 18597
  • N Frederick AVE 18599


18501 - 18599 N Frederick AVE ZIP Code Map

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18501 to 18599, N Frederick AVE - Gaithersburg ZIP Code Plus Four, MD

What is the zip code for 18501 N Frederick AVE, Gaithersburg - MD?

The Zip Code 5 Plus Four (ZIP+4) N Frederick AVE, Odd block, 18501 to 18599 is



20879-3161





18501 N Frederick AVE Nearby Businesses


18501 N Frederick AVE Zip Code Lookup in Gaithersburg, Maryland

20879-3161 Zip Code Info
City: Gaithersburg
County: Montgomery
State: Maryland (MD)
City Zip Code: 20879
Plus 4 Code: 3161
18501 N Frederick AVE Zip 5 Plus 4 Code: 20879-3161
Street: N Frederick AVE
Block Range: 18501 - 18599
Type: Odd
18501 N Frederick AVE, Gaithersburg (MD) Area Code: 301/240
18501 N Frederick AVE, Gaithersburg (MD) Time Zone: Eastern (GMT -05:00)