Duncan zipcode
| City | Duncan |
| ZIP Code | 73534 |
| Type | PO Box |
| State Code | OK |
| State | Oklahoma |
ZIP code of Duncan is 73534. This place is located in Oklahoma state in US. To send any postal service to Duncan, you must use 73534 zipcode.
| City | Duncan |
| ZIP Code | 73534 |
| Type | PO Box |
| State Code | OK |
| State | Oklahoma |
ZIP code of Duncan is 73534. This place is located in Oklahoma state in US. To send any postal service to Duncan, you must use 73534 zipcode.
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