ZIP Code 04730 — Houlton, ME
04730 is a standard (street delivery) ZIP code serving Houlton, Maine, in Aroostook 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 04730 at a glance
| ZIP code | 04730 |
|---|---|
| Primary city | Houlton |
| State | Maine (ME) |
| County | Aroostook FIPS 23003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 10,106 |
| Coordinates | 46.125740, -67.914710 |
How ZIP+4 works in 04730
The four digits after the hyphen encode a delivery segment inside 04730. 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 04730 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 04730.
| ZIP | City | Distance |
|---|---|---|
| 04761 | New Limerick, ME | 2.8 mi |
| 04763 | Oakfield, ME | 9.6 mi |
| 04760 | Monticello, ME | 13.7 mi |
| 04471 | Orient, ME | 16.5 mi |
| 04780 | Smyrna Mills, ME | 17.2 mi |
| 04747 | Island Falls, ME | 18.2 mi |
| 04735 | Bridgewater, ME | 18.4 mi |
| 04734 | Blaine, ME | 24.8 mi |
| 04764 | Oxbow, ME | 26.4 mi |
| 04497 | Wytopitlock, ME | 28.6 mi |
| 04776 | Sherman, ME | 29.1 mi |
| 04787 | Westfield, ME | 29.5 mi |
Questions about 04730
What is the ZIP+4 code for 04730?
04730 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 04730, you need to look up a specific street address to get them.
What city is 04730?
04730 is assigned to Houlton, Maine, in Aroostook 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.