ZIP Code 36544 — Irvington, AL
36544 is a standard (street delivery) ZIP code serving Irvington, Alabama, in Mobile 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 36544 at a glance
| ZIP code | 36544 |
|---|---|
| Primary city | Irvington |
| State | Alabama (AL) |
| County | Mobile FIPS 01097 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 10,521 |
| Coordinates | 30.474360, -88.234000 |
How ZIP+4 works in 36544
The four digits after the hyphen encode a delivery segment inside 36544. 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 36544 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 36544.
| ZIP | City | Distance |
|---|---|---|
| 36568 | Saint Elmo, AL | 3.4 mi |
| 36582 | Theodore, AL | 4.4 mi |
| 36509 | Bayou La Batre, AL | 4.7 mi |
| 36541 | Grand Bay, AL | 6.6 mi |
| 36523 | Coden, AL | 7.8 mi |
| 36619 | Mobile, AL | 8.7 mi |
| 36695 | Mobile, AL | 11.1 mi |
| 36693 | Mobile, AL | 11.6 mi |
| 36605 | Mobile, AL | 12.5 mi |
| 36609 | Mobile, AL | 13.5 mi |
| 36608 | Mobile, AL | 14.7 mi |
| 36615 | Mobile, AL | 14.9 mi |
Questions about 36544
What is the ZIP+4 code for 36544?
36544 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 36544, you need to look up a specific street address to get them.
What city is 36544?
36544 is assigned to Irvington, Alabama, in Mobile 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.