Find the last 4 digits (ZIP+4) for an address in 98237

ZIP 98237, Concrete, WA is filled in. Just type the street address.

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ZIP Code 98237 – Concrete, WA

Concrete, Washington · Skagit County · Pacific time

ZIP code98237
CityConcrete
StateWashington
CountySkagit CountyWhatcom County
Population4,956
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area417.42 sq mi
Center (lat, long)48.5338, -121.7107

Area codes in this area

360564

These are the area codes that most often serve ZIP 98237 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

98255 Hamilton · 12.9 mi98263 Lyman · 16.2 mi98244 Deming · 18.8 mi98284 Sedro Woolley · 19.4 mi98267 Marblemount · 22.6 mi98274 Mount Vernon · 23.6 mi98235 Clearlake · 24.3 mi98220 Acme · 24.5 mi

About ZIP 98237

ZIP code 98237 is assigned to Concrete, Washington. It crosses 2 counties; most of its land is in Skagit County. Its Census area covers about 417.42 square miles of land. The closest neighboring ZIP is 98255 (Hamilton), about 12.9 miles away.

Every address in 98237 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources