ZIP Code 93637 — Madera, CA
93637 is a standard (street delivery) ZIP code serving Madera, California, in Madera 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 93637 at a glance
| ZIP code | 93637 |
|---|---|
| Primary city | Madera |
| State | California (CA) |
| County | Madera FIPS 06039 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 43,785 |
| Coordinates | 36.910990, -120.192200 |
How ZIP+4 works in 93637
The four digits after the hyphen encode a delivery segment inside 93637. 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 93637 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.
Other ZIP codes in Madera
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 93637.
| ZIP | City | Distance |
|---|---|---|
| 93606 | Biola, CA | 12.4 mi |
| 93638 | Madera, CA | 12.4 mi |
| 93610 | Chowchilla, CA | 13.5 mi |
| 93630 | Kerman, CA | 13.7 mi |
| 93723 | Fresno, CA | 15.7 mi |
| 93636 | Madera, CA | 18.1 mi |
| 93668 | Tranquillity, CA | 18.4 mi |
| 93722 | Fresno, CA | 19 mi |
| 93711 | Fresno, CA | 20.5 mi |
| 93660 | San Joaquin, CA | 20.9 mi |
| 93640 | Mendota, CA | 21.3 mi |
| 93705 | Fresno, CA | 21.8 mi |
Questions about 93637
What is the ZIP+4 code for 93637?
93637 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 93637, you need to look up a specific street address to get them.
What city is 93637?
93637 is assigned to Madera, California, in Madera 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.