ZIP Code 04530 — Bath, ME
04530 is a standard (street delivery) ZIP code serving Bath, Maine, in Sagadahoc 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 04530 at a glance
| ZIP code | 04530 |
|---|---|
| Primary city | Bath |
| State | Maine (ME) |
| County | Sagadahoc FIPS 23023 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 11,275 |
| Coordinates | 43.891560, -69.830600 |
How ZIP+4 works in 04530
The four digits after the hyphen encode a delivery segment inside 04530. 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 04530 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 04530.
| ZIP | City | Distance |
|---|---|---|
| 04579 | Woolwich, ME | 5.8 mi |
| 04548 | Georgetown, ME | 6.7 mi |
| 04562 | Phippsburg, ME | 7.2 mi |
| 04011 | Brunswick, ME | 7.3 mi |
| 04571 | Trevett, ME | 7.7 mi |
| 04086 | Topsham, ME | 8 mi |
| 04079 | Harpswell, ME | 8.5 mi |
| 04575 | West Boothbay Harbor, ME | 8.9 mi |
| 04578 | Wiscasset, ME | 9.2 mi |
| 04576 | Southport, ME | 9.4 mi |
| 04008 | Bowdoinham, ME | 10.1 mi |
| 04537 | Boothbay, ME | 10.3 mi |
Questions about 04530
What is the ZIP+4 code for 04530?
04530 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 04530, you need to look up a specific street address to get them.
What city is 04530?
04530 is assigned to Bath, Maine, in Sagadahoc 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.