Find the last 4 digits (ZIP+4) for an address in 20577

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ZIP Code 20577 – Washington, DC

Washington, District of Columbia · District of Columbia · Eastern time

ZIP code20577
CityWashington
StateDistrict of Columbia
CountyDistrict of Columbia
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)38.9008, -77.0345

Area codes in this area

202771

These are the area codes that most often serve ZIP 20577 (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

20571 Washington · 0 mi20533 Washington · 0.1 mi20062 Washington · 0.1 mi20524 Washington · 0.2 mi20509 Washington · 0.2 mi20527 Washington · 0.2 mi20501 Washington · 0.2 mi20502 Washington · 0.2 mi

About ZIP 20577

ZIP code 20577 is assigned to Washington, District of Columbia. It lies in District of Columbia. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 20571 (Washington), about 0 miles away.

Every address in 20577 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