ZIP Code 49670 — Northport, MI
49670 is a standard (street delivery) ZIP code serving Northport, Michigan, in Leelanau 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 49670 at a glance
| ZIP code | 49670 |
|---|---|
| Primary city | Northport |
| State | Michigan (MI) |
| County | Leelanau FIPS 26089 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 1,784 |
| Coordinates | 45.120880, -85.620960 |
How ZIP+4 works in 49670
The four digits after the hyphen encode a delivery segment inside 49670. 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 49670 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 49670.
| ZIP | City | Distance |
|---|---|---|
| 49674 | Omena, MI | 4.8 mi |
| 49682 | Suttons Bay, MI | 9.9 mi |
| 49653 | Lake Leelanau, MI | 11.6 mi |
| 49627 | Eastport, MI | 12.9 mi |
| 49648 | Kewadin, MI | 16.5 mi |
| 49729 | Ellsworth, MI | 16.7 mi |
| 49622 | Central Lake, MI | 17.5 mi |
| 49629 | Elk Rapids, MI | 18.4 mi |
| 49621 | Cedar, MI | 19.4 mi |
| 49654 | Leland, MI | 20 mi |
| 49686 | Traverse City, MI | 20.6 mi |
| 49720 | Charlevoix, MI | 21.4 mi |
Questions about 49670
What is the ZIP+4 code for 49670?
49670 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 49670, you need to look up a specific street address to get them.
What city is 49670?
49670 is assigned to Northport, Michigan, in Leelanau 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.