ZIP Code 92009 — Carlsbad, CA
92009 is a standard (street delivery) ZIP code serving Carlsbad, California, in San Diego 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 92009 at a glance
| ZIP code | 92009 |
|---|---|
| Primary city | Carlsbad |
| State | California (CA) |
| County | San Diego FIPS 06073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 44,739 |
| Coordinates | 33.095350, -117.245740 |
How ZIP+4 works in 92009
The four digits after the hyphen encode a delivery segment inside 92009. 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 92009 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 Carlsbad
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 92009.
| ZIP | City | Distance |
|---|---|---|
| 92024 | Encinitas, CA | 2.7 mi |
| 92011 | Carlsbad, CA | 3 mi |
| 92078 | San Marcos, CA | 3.8 mi |
| 92010 | Carlsbad, CA | 4.8 mi |
| 92081 | Vista, CA | 4.8 mi |
| 92091 | Rancho Santa Fe, CA | 5.1 mi |
| 92007 | Cardiff By The Sea, CA | 5.3 mi |
| 92008 | Carlsbad, CA | 5.4 mi |
| 92096 | San Marcos, CA | 5.6 mi |
| 92067 | Rancho Santa Fe, CA | 6 mi |
| 92029 | Escondido, CA | 6.8 mi |
| 92075 | Solana Beach, CA | 6.8 mi |
Questions about 92009
What is the ZIP+4 code for 92009?
92009 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 92009, you need to look up a specific street address to get them.
What city is 92009?
92009 is assigned to Carlsbad, California, in San Diego 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.