ZIP Code 98237
- Zip Code: 98237
- Type: Standard
- Official USPS city name: Concrete
- Official USPS State Code: WA
- Official State Name: Washington
- ZCTA: TRUE
- Population: 4410.0
- Density: 5.3
- Primary Official County Code: 53057
- Primary Official County Name: Skagit
- Official County Name: Skagit| Whatcom
- Official County Code: 53057| 53073
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Los_Angeles (07:29 AM Saturday, November 23 2024-11-23 (GMT -0800))
- Geo Point: 48.59328, -121.68519
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