Andrews AFB uses zip code 20773 for general mail delivery. This code serves the Air Force base component of Joint Base Andrews, which is co-located with the National Geospatial-Intelligence Agency (NGA) campus in Prince George's County, Maryland. The base supports critical national security missions, including airlift, medical evacuation, and presidential transport. This overview explains the zip code boundaries, mail delivery logistics, nearby alternatives, and key operational details relevant to residents, vendors, and visitors.
What is the Andrews AFB Zip Code?
The primary zip code for Andrews AFB is 20773. It is assigned to the base under the United States Postal Service (USPS) city designation Joint Base Andrews, derived from the former Andrews Air Force Base. Mail addressed to 20773 reaches the main Base Post Office (BPO) and supports on-base units, federal agencies, and residential neighborhoods associated with the installation.
Coverage Area and Delivery Details
While 20773 is the core zip code, coverage can extend into adjacent areas depending on street and building location. The Defense Address and Reporting System (DARS) address is the authoritative source for determining exact delivery routes on base. The USPS treats Joint Base Andrews as a single postal entity, and delivery routes may serve both military and federal civilian recipients on the NGA side of the installation.
DARS and USPS Coordination
DARS provides standardized addresses for military and federal facilities, ensuring consistency between on-base records and USPS databases. When sending mail to Andrews AFB, using the DARS address reduces misrouting. The base post office sorts mail according to USPS standards, with time-sensitive material handled through expedited military logistics when required.
Address Format and Sending Mail
Use the following address format for mail to Andrews AFB: Recipient Name, Unit or Mail Stop, 600 Enterprise Parkway, Andrews AFB, MD 20773. For federal agencies located on the NGA portion of the joint base, include the agency name and suite or building identifier when available. When in doubt, verify the DARS address before shipping items.
- Recipient name and title
- Unit or organization, Mail Stop or Suite
- Street address (Enterprise Parkway or associated routes)
- City, State, Zip (Joint Base Andrews, MD 20773)
- Country for international sends (United States)
Nearby Zip Codes and Alternatives
Depending on the specific delivery location, you may also encounter nearby codes such as 20710 or 20747 for adjacent areas that interface with base logistics. These are typically used for civilian housing or facilities located just outside the main gate. Verify the correct code via USPS lookup tools or the DARS database when sending to off-base addresses that support base operations.
Mail Services and Facilities at Andrews AFB
The Base Post Office on Andrews AFB provides standard USPS services, including retail shipping, package receipt, certified mail, and PO box assignments. For official mail, use USPS Certified Mail or registered delivery when traceability is required. International shipments must comply with customs regulations and may require additional processing through base security before release.
Services at a Glance
| Service | Availability | Notes |
|---|---|---|
| Retail Shipping | Available | Standard and expedited options subject to base hours |
| Package Reception | Available | May require base access clearance for pickup |
| PO Box Rentals | Available | Assigned to authorized individuals; renewal required |
| Certified Mail | Available | Tracking and signature confirmation supported |
| International Shipments | Limited | Compliance with customs and security protocols required |
Visitor and Delivery Instructions
Visitors and couriers should contact the recipient in advance to obtain building and suite details. Deliveries to secure facilities on the NGA campus may require escort or advance clearance. Vehicle registration and identification are checked at entry points. For time-critical deliveries, confirm base hours and security requirements with the receiving unit’s administrative office.
Why Accurate Addressing Matters
Incorrect or incomplete addressing can delay critical mail, including official correspondence, replacement documents, and time-sensitive equipment parts. Using the proper zip code, DARS address, and recipient details supports reliable logistics for both routine and emergency needs.
Summary
For Andrews AFB, the standard zip code is 20773, serving the Joint Base Andrews installation in Maryland. Coordinate mail through USPS using DARS-validated addresses to ensure accuracy. Understand base access and delivery procedures for secure facilities, and confirm details with recipients before sending sensitive or urgent items.
FAQ
Reader questions
Does Andrews AFB have its own zip code?
Yes, Andrews AFB uses zip code 20773 as its primary postal identifier for mail and packages.
Can I use a different zip code for Andrews AFB addresses?
It is best to use 20773. Nearby codes such as 20710 or 20747 may apply to adjacent civilian areas, but 20773 is the standard for on-base and direct federal mail.
Is the zip code shared with other bases?
No, 20773 is unique to Andrews AFB and the Joint Base Andrews complex under current USPS allocations.
How do I confirm the DARS address for my unit?
Contact your unit administrative office or check the DARS portal using your official personnel records. Vendors should request the DARS address from the contracting or logistics office before shipping.
Are there additional fees for shipping to Andrews AFB?
Standard USPS rates apply. Secure or expedited handling may involve base processing fees or courier charges depending on service level and clearance requirements.