ZIP Code 63620 — Annapolis, MO
63620 is a standard (street delivery) ZIP code serving Annapolis, Missouri, in Iron 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 63620 at a glance
| ZIP code | 63620 |
|---|---|
| Primary city | Annapolis |
| State | Missouri (MO) |
| County | Iron FIPS 29093 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,036 |
| Coordinates | 37.401010, -90.652100 |
How ZIP+4 works in 63620
The four digits after the hyphen encode a delivery segment inside 63620. 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 63620 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 63620.
| ZIP | City | Distance |
|---|---|---|
| 63621 | Arcadia, MO | 6.9 mi |
| 63675 | Vulcan, MO | 7.3 mi |
| 63636 | Des Arc, MO | 8.4 mi |
| 63654 | Lesterville, MO | 11.7 mi |
| 63665 | Redford, MO | 12.9 mi |
| 63650 | Ironton, MO | 14.5 mi |
| 63956 | Patterson, MO | 14.7 mi |
| 63950 | Lodi, MO | 15 mi |
| 63663 | Pilot Knob, MO | 15.4 mi |
| 63656 | Middle Brook, MO | 15.6 mi |
| 63964 | Silva, MO | 17.9 mi |
| 63957 | Piedmont, MO | 18 mi |
Questions about 63620
What is the ZIP+4 code for 63620?
63620 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 63620, you need to look up a specific street address to get them.
What city is 63620?
63620 is assigned to Annapolis, Missouri, in Iron 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.