ZIP Code 16504 — Erie, PA
16504 is a standard (street delivery) ZIP code serving Erie, Pennsylvania, in Erie 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 16504 at a glance
| ZIP code | 16504 |
|---|---|
| Primary city | Erie |
| State | Pennsylvania (PA) |
| County | Erie FIPS 42049 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 15,931 |
| Coordinates | 42.109420, -80.048900 |
How ZIP+4 works in 16504
The four digits after the hyphen encode a delivery segment inside 16504. 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 16504 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 Erie
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 16504.
| ZIP | City | Distance |
|---|---|---|
| 16546 | Erie, PA | 0.4 mi |
| 16503 | Erie, PA | 1.4 mi |
| 16501 | Erie, PA | 2.2 mi |
| 16508 | Erie, PA | 2.4 mi |
| 16550 | Erie, PA | 2.5 mi |
| 16507 | Erie, PA | 2.7 mi |
| 16502 | Erie, PA | 2.7 mi |
| 16563 | Erie, PA | 3.3 mi |
| 16509 | Erie, PA | 3.5 mi |
| 16511 | Erie, PA | 4.7 mi |
| 16510 | Erie, PA | 4.9 mi |
| 16505 | Erie, PA | 4.9 mi |
Questions about 16504
What is the ZIP+4 code for 16504?
16504 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 16504, you need to look up a specific street address to get them.
What city is 16504?
16504 is assigned to Erie, Pennsylvania, in Erie 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.