ZIP Code 14427 — Castile, NY
14427 is a standard (street delivery) ZIP code serving Castile, New York, in Wyoming 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 14427 at a glance
| ZIP code | 14427 |
|---|---|
| Primary city | Castile |
| State | New York (NY) |
| County | Wyoming FIPS 36121 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,720 |
| Coordinates | 42.618280, -78.054420 |
How ZIP+4 works in 14427
The four digits after the hyphen encode a delivery segment inside 14427. 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 14427 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 14427.
| ZIP | City | Distance |
|---|---|---|
| 14550 | Silver Springs, NY | 4.5 mi |
| 14536 | Portageville, NY | 5.6 mi |
| 14549 | Silver Lake, NY | 5.7 mi |
| 14066 | Gainesville, NY | 6.4 mi |
| 14846 | Hunt, NY | 6.6 mi |
| 14130 | Pike, NY | 6.6 mi |
| 14517 | Nunda, NY | 8.2 mi |
| 14530 | Perry, NY | 8.4 mi |
| 14836 | Dalton, NY | 10 mi |
| 14024 | Bliss, NY | 10 mi |
| 14569 | Warsaw, NY | 10.3 mi |
| 14510 | Mount Morris, NY | 10.7 mi |
Questions about 14427
What is the ZIP+4 code for 14427?
14427 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 14427, you need to look up a specific street address to get them.
What city is 14427?
14427 is assigned to Castile, New York, in Wyoming 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.