ZIP Codes in Manassas, VA
Manassas uses 4 ZIP codes, all in Prince William, Manassas Counties. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 4 Manassas ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 20109 | standard | Prince William | 45,444 |
| 20110 | standard | Manassas | 49,890 |
| 20111 | standard | Prince William | 38,124 |
| 20112 | standard | Prince William | 30,500 |
Finding a ZIP+4 in Manassas
Knowing which of these 4 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Manassas street almost always have different ZIP+4 codes even though they share all five leading digits.
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