ZIP Code 04901 — Waterville, ME
04901 is a standard (street delivery) ZIP code serving Waterville, 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 04901 at a glance
| ZIP code | 04901 |
|---|---|
| Primary city | Waterville |
| State | Maine (ME) |
| County | Kennebec FIPS 23011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 27,870 |
| Coordinates | 44.554490, -69.570370 |
How ZIP+4 works in 04901
The four digits after the hyphen encode a delivery segment inside 04901. 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 04901 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 04901.
| ZIP | City | Distance |
|---|---|---|
| 04975 | Shawmut, ME | 5 mi |
| 04926 | China Village, ME | 5.8 mi |
| 04910 | Albion, ME | 6.9 mi |
| 04937 | Fairfield, ME | 7.6 mi |
| 04927 | Clinton, ME | 8.2 mi |
| 04989 | Vassalboro, ME | 9.4 mi |
| 04358 | South China, ME | 9.6 mi |
| 04944 | Hinckley, ME | 9.8 mi |
| 04988 | Unity, ME | 10.7 mi |
| 04963 | Oakland, ME | 12 mi |
| 04978 | Smithfield, ME | 12.9 mi |
| 04354 | Palermo, ME | 13 mi |
Questions about 04901
What is the ZIP+4 code for 04901?
04901 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 04901, you need to look up a specific street address to get them.
What city is 04901?
04901 is assigned to Waterville, 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.