ZIP Code 95638 — Herald, CA
95638 is a standard (street delivery) ZIP code serving Herald, California, in Sacramento 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 95638 at a glance
| ZIP code | 95638 |
|---|---|
| Primary city | Herald |
| State | California (CA) |
| County | Sacramento FIPS 06067 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 2,517 |
| Coordinates | 38.339690, -121.114810 |
How ZIP+4 works in 95638
The four digits after the hyphen encode a delivery segment inside 95638. 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 95638 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 95638.
| ZIP | City | Distance |
|---|---|---|
| 95693 | Wilton, CA | 7 mi |
| 95632 | Galt, CA | 9 mi |
| 95640 | Ione, CA | 9.4 mi |
| 95227 | Clements, CA | 9.9 mi |
| 95683 | Sloughhouse, CA | 11.8 mi |
| 95220 | Acampo, CA | 11.8 mi |
| 95624 | Elk Grove, CA | 12.1 mi |
| 95237 | Lockeford, CA | 12.6 mi |
| 95254 | Wallace, CA | 12.7 mi |
| 95830 | Sacramento, CA | 13.6 mi |
| 95253 | Victor, CA | 14 mi |
| 95226 | Campo Seco, CA | 15.5 mi |
Questions about 95638
What is the ZIP+4 code for 95638?
95638 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 95638, you need to look up a specific street address to get them.
What city is 95638?
95638 is assigned to Herald, California, in Sacramento 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.