ZIP Code 23651 — Fort Monroe, VA
23651 is a standard (street delivery) ZIP code serving Fort Monroe, Virginia, in Hampton County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 23651 at a glance
| ZIP code | 23651 |
|---|---|
| Primary city | Fort Monroe |
| State | Virginia (VA) |
| County | Hampton FIPS 51650 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 439 |
| Coordinates | 37.009900, -76.304510 |
How ZIP+4 works in 23651
The four digits after the hyphen encode a delivery segment inside 23651. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 23651 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 23651.
| ZIP | City | Distance |
|---|---|---|
| 23667 | Hampton, VA | 1.6 mi |
| 23663 | Hampton, VA | 1.7 mi |
| 23668 | Hampton, VA | 2 mi |
| 23669 | Hampton, VA | 3.4 mi |
| 23661 | Hampton, VA | 4.5 mi |
| 23664 | Hampton, VA | 4.5 mi |
| 23511 | Norfolk, VA | 4.8 mi |
| 23503 | Norfolk, VA | 4.9 mi |
| 23551 | Norfolk, VA | 6 mi |
| 23665 | Hampton, VA | 6.4 mi |
| 23666 | Hampton, VA | 6.6 mi |
| 23505 | Norfolk, VA | 6.6 mi |
Questions about 23651
What is the ZIP+4 code for 23651?
23651 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 23651, you need to look up a specific street address to get them.
What city is 23651?
23651 is assigned to Fort Monroe, Virginia, in Hampton County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.