Find the last 4 digits (ZIP+4) for an address in 21530

ZIP 21530, Flintstone, MD is filled in. Just type the street address.

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ZIP Code 21530 – Flintstone, MD

Flintstone, Maryland · Allegany County · Eastern time

ZIP code21530
CityFlintstone
StateMaryland
CountyAllegany County
Population1,404
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area60.89 sq mi
Center (lat, long)39.6796, -78.5461

Area codes in this area

227240301

These are the area codes that most often serve ZIP 21530 (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

21555 Oldtown · 7.3 mi21766 Little Orleans · 8.4 mi17211 Artemas · 8.7 mi21504 Cumberland · 10.3 mi21502 Cumberland · 11.5 mi21560 Spring Gap · 11.6 mi21501 Cumberland · 11.6 mi21503 Cumberland · 11.6 mi

About ZIP 21530

ZIP code 21530 is assigned to Flintstone, Maryland. It lies in Allegany County. Its Census area covers about 60.89 square miles of land. The closest neighboring ZIP is 21555 (Oldtown), about 7.3 miles away.

Every address in 21530 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