ZIP Code 23803 — Petersburg, VA
23803 is a standard (street delivery) ZIP code serving Petersburg, Virginia, in Dinwiddie 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 23803 at a glance
| ZIP code | 23803 |
|---|---|
| Primary city | Petersburg |
| State | Virginia (VA) |
| County | Dinwiddie FIPS 51053 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 42,012 |
| Coordinates | 37.211830, -77.480280 |
How ZIP+4 works in 23803
The four digits after the hyphen encode a delivery segment inside 23803. 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 23803 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.
Other ZIP codes in Petersburg
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 23803.
| ZIP | City | Distance |
|---|---|---|
| 23885 | Sutherland, VA | 5.7 mi |
| 23834 | Colonial Heights, VA | 6.9 mi |
| 23805 | Petersburg, VA | 7.4 mi |
| 23801 | Fort Gregg Adams, VA | 8.1 mi |
| 23831 | Chester, VA | 9.3 mi |
| 23833 | Church Road, VA | 10.4 mi |
| 23838 | Chesterfield, VA | 11.1 mi |
| 23841 | Dinwiddie, VA | 11.6 mi |
| 23875 | Prince George, VA | 12.3 mi |
| 23836 | Chester, VA | 12.6 mi |
| 23237 | Richmond, VA | 13.2 mi |
| 23830 | Carson, VA | 13.9 mi |
Questions about 23803
What is the ZIP+4 code for 23803?
23803 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 23803, you need to look up a specific street address to get them.
What city is 23803?
23803 is assigned to Petersburg, Virginia, in Dinwiddie 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.