Zip Area Code

Duncan, Oklahoma

Duncan, Oklahoma, in Stephens County, has ZIP codes 73533, 73534 and 73536 and area code 580.

ZIP codes
73533, 73534, 73536
Area code
580
Time zone
Central Time
Coordinates
34.5038, -97.9219

ZIP codes in Duncan

ZIP codePost officeCountyArea codes
73533DuncanStephens County580
73534*DuncanStephens County580
73536*DuncanStephens County580

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area code for Duncan

  • Area code 580

    In service since November 1, 1997. Local calls are dialed with seven digits.

Time zone

Duncan is in the Central Time zone.

Towns near Duncan