ZIP Code 49638 — Harrietta, MI
49638 is a standard (street delivery) ZIP code serving Harrietta, Michigan, in Wexford 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 49638 at a glance
| ZIP code | 49638 |
|---|---|
| Primary city | Harrietta |
| State | Michigan (MI) |
| County | Wexford FIPS 26165 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 913 |
| Coordinates | 44.284630, -85.750730 |
How ZIP+4 works in 49638
The four digits after the hyphen encode a delivery segment inside 49638. 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 49638 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 49638.
| ZIP | City | Distance |
|---|---|---|
| 49618 | Boon, MI | 7.6 mi |
| 49668 | Mesick, MI | 8.4 mi |
| 49689 | Wellston, MI | 9.5 mi |
| 49625 | Copemish, MI | 11.6 mi |
| 49601 | Cadillac, MI | 11.8 mi |
| 49619 | Brethren, MI | 11.8 mi |
| 49644 | Irons, MI | 14.8 mi |
| 49645 | Kaleva, MI | 14.8 mi |
| 49656 | Luther, MI | 16.2 mi |
| 49620 | Buckley, MI | 16.4 mi |
| 49688 | Tustin, MI | 18.9 mi |
| 49683 | Thompsonville, MI | 19.7 mi |
Questions about 49638
What is the ZIP+4 code for 49638?
49638 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 49638, you need to look up a specific street address to get them.
What city is 49638?
49638 is assigned to Harrietta, Michigan, in Wexford 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.