ZIP Code 44145 — Westlake, OH
44145 is a standard (street delivery) ZIP code serving Westlake, Ohio, in Cuyahoga 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 44145 at a glance
| ZIP code | 44145 |
|---|---|
| Primary city | Westlake |
| State | Ohio (OH) |
| County | Cuyahoga FIPS 39035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 34,104 |
| Coordinates | 41.452450, -81.929440 |
How ZIP+4 works in 44145
The four digits after the hyphen encode a delivery segment inside 44145. 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 44145 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 44145.
| ZIP | City | Distance |
|---|---|---|
| 44140 | Bay Village, OH | 2.3 mi |
| 44070 | North Olmsted, OH | 2.6 mi |
| 44126 | Cleveland, OH | 4 mi |
| 44116 | Rocky River, OH | 4.2 mi |
| 44011 | Avon, OH | 4.6 mi |
| 44012 | Avon Lake, OH | 5.3 mi |
| 44138 | Olmsted Falls, OH | 5.4 mi |
| 44135 | Cleveland, OH | 5.9 mi |
| 44142 | Brook Park, OH | 6.5 mi |
| 44017 | Berea, OH | 6.7 mi |
| 44039 | North Ridgeville, OH | 6.7 mi |
| 44107 | Lakewood, OH | 7 mi |
Questions about 44145
What is the ZIP+4 code for 44145?
44145 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 44145, you need to look up a specific street address to get them.
What city is 44145?
44145 is assigned to Westlake, Ohio, in Cuyahoga 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.