| City: | Gaithersburg, Maryland |
| County: | Montgomery County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:57:47 PM |
| Population: | No Population Data |
| Area Codes: | 227 / 240 / 301 |
| Classification: | PO Box |
| Coordinates: | 39.1434, -77.2018 |
| Quick Link: |
ZIP code 20898 serves the USPS Suburban Maryland Processing and Distribution Center (P&DC) on Shady Grove Road in Gaithersburg, Maryland. It isn't a residential neighborhood. Instead, it's a dedicated postal facility that handles mail processing for the Washington, DC metropolitan region. The ZIP has zero residential population because it covers only the facility footprint, a compact 0.05 square miles.
The P&DC maintains 222 PO Boxes, primarily serving businesses and postal employees. With 182 business delivery points and 8 business establishments, this ZIP functions as a commercial mail hub. The building names in the ZIP+4 records tell the story: P&DC (the main processing center), Suburban VMF (Vehicle Maintenance Facility), MC Postal FCU (Montgomery County Postal Federal Credit Union), and Suburban Window SCS (Stamp Center Services).
Gaithersburg has standard sibling ZIP codes that provide residential street delivery throughout the area. This PO Box ZIP exists specifically for the postal facility's internal operations and business customers who want a Gaithersburg address at the processing center. The location sits near Redland and is 0.3 miles from central Gaithersburg, with Rockville and Washington Grove also nearby.
Shady Grove Road is the P&DC facility address; all mail operations occur at this single location.
ZIP Code 20898 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 2 people with an annual payroll of $268,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 387Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 6Source: CBP |
| 1st Quarter Payroll: | $22,000Source: CBP |
| Annual Payroll: | $268,000Source: CBP |
| # of Employees: | 2Source: CBP |
ZIP Code 20898 is located in Montgomery County, Maryland, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and Maryland's 8th Congressional District. This Metro area has a population of 5,582,170 people, about 0.00% of whom live in ZIP Code 20898, and is subdivided into the Frederick-Gaithersburg-Bethesda, MD division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Washington-Arlington-Alexandria, DC-VA-MD-WVSource: Census |
| CBSA Number: | 47900Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Frederick-Gaithersburg-Bethesda, MD (CBSA Div 23224)Source: Census |
| CBSA Population: | 5,582,170Source: Census |
| MSA: | Washington-Baltimore, DC-MD-VA-WV CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 08Source: USPS |
| Congressional Land Area: | 859.85 sq miSource: Census |
| PMSA: | Washington, DC-MD-VA-WV PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2431175Source: Census |
| Place Name: | Gaithersburg city; MarylandSource: Census |
We could not locate which school district 20898 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.