ZIP Code 04330 — Augusta, ME
04330 is a standard (street delivery) ZIP code serving Augusta, Maine, in Kennebec 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 04330 at a glance
| ZIP code | 04330 |
|---|---|
| Primary city | Augusta |
| State | Maine (ME) |
| County | Kennebec FIPS 23011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 26,690 |
| Coordinates | 44.363870, -69.737290 |
How ZIP+4 works in 04330
The four digits after the hyphen encode a delivery segment inside 04330. 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 04330 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 04330.
| ZIP | City | Distance |
|---|---|---|
| 04989 | Vassalboro, ME | 6.3 mi |
| 04347 | Hallowell, ME | 6.3 mi |
| 04351 | Manchester, ME | 6.5 mi |
| 04344 | Farmingdale, ME | 8.3 mi |
| 04363 | Windsor, ME | 8.7 mi |
| 04346 | Randolph, ME | 8.9 mi |
| 04917 | Belgrade, ME | 10.1 mi |
| 04355 | Readfield, ME | 10.5 mi |
| 04358 | South China, ME | 10.8 mi |
| 04341 | Coopers Mills, ME | 11.5 mi |
| 04364 | Winthrop, ME | 11.6 mi |
| 04345 | Gardiner, ME | 11.7 mi |
Questions about 04330
What is the ZIP+4 code for 04330?
04330 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 04330, you need to look up a specific street address to get them.
What city is 04330?
04330 is assigned to Augusta, Maine, in Kennebec 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.