ZIP Code 14770 — Portville, NY
14770 is a standard (street delivery) ZIP code serving Portville, New York, in Allegany 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 14770 at a glance
| ZIP code | 14770 |
|---|---|
| Primary city | Portville |
| State | New York (NY) |
| County | Allegany FIPS 36003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,621 |
| Coordinates | 42.046800, -78.299630 |
How ZIP+4 works in 14770
The four digits after the hyphen encode a delivery segment inside 14770. 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 14770 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 14770.
| ZIP | City | Distance |
|---|---|---|
| 14721 | Ceres, NY | 2.6 mi |
| 14788 | Westons Mills, NY | 4.1 mi |
| 14754 | Little Genesee, NY | 5.4 mi |
| 14760 | Olean, NY | 6.1 mi |
| 16731 | Eldred, PA | 7.8 mi |
| 14715 | Bolivar, NY | 8 mi |
| 14774 | Richburg, NY | 8.4 mi |
| 14778 | Saint Bonaventure, NY | 9.6 mi |
| 16748 | Shinglehouse, PA | 10.7 mi |
| 16729 | Duke Center, PA | 10.8 mi |
| 16750 | Turtlepoint, PA | 11 mi |
| 14727 | Cuba, NY | 11.5 mi |
Questions about 14770
What is the ZIP+4 code for 14770?
14770 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 14770, you need to look up a specific street address to get them.
What city is 14770?
14770 is assigned to Portville, New York, in Allegany 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.