Steptoe Washington is covered by a total of 1 ZIP Codes. There are also 1 ZIP Codes that overlap Steptoe but have a different postal city name. The ZIP Codes in Steptoe range from 99111 to 99174. The total population of ZIP Codes in Steptoe is 32.
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Colfax | Standard | |||
| Steptoe | PO Box |