ZIP Code 02858 — Oakland, RI
02858 is a standard (street delivery) ZIP code serving Oakland, Rhode Island, in Providence 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 02858 at a glance
| ZIP code | 02858 |
|---|---|
| Primary city | Oakland |
| State | Rhode Island (RI) |
| County | Providence FIPS 44007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 738 |
| Coordinates | 41.963540, -71.648930 |
How ZIP+4 works in 02858
The four digits after the hyphen encode a delivery segment inside 02858. 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 02858 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 02858.
| ZIP | City | Distance |
|---|---|---|
| 02830 | Harrisville, RI | 1.1 mi |
| 02826 | Glendale, RI | 1.3 mi |
| 02839 | Mapleville, RI | 1.4 mi |
| 02876 | Slatersville, RI | 4.1 mi |
| 02859 | Pascoag, RI | 5 mi |
| 02824 | Forestdale, RI | 5 mi |
| 02896 | North Smithfield, RI | 5.1 mi |
| 02814 | Chepachet, RI | 5.1 mi |
| 02829 | Harmony, RI | 5.6 mi |
| 01529 | Millville, MA | 6.4 mi |
| 01569 | Uxbridge, MA | 6.6 mi |
| 02828 | Greenville, RI | 7.5 mi |
Questions about 02858
What is the ZIP+4 code for 02858?
02858 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 02858, you need to look up a specific street address to get them.
What city is 02858?
02858 is assigned to Oakland, Rhode Island, in Providence 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.