Simpsonville ZIP code, Maryland
The ZIP code for Simpsonville, MD is 21150, and its area codes are 410, 443 and 667.
- USPS city name
- 1 ZIP code
- County
- Howard County
- State
- Maryland
NANPA lists no telephone rate centre for Simpsonville itself, so these are the area codes of the nearest one, Ellicott City (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Simpsonville
| ZIP | City | Type |
|---|---|---|
21150 | Simpsonville , MD | No street area |
Towns near Simpsonville
| Town | Population | Distance |
|---|---|---|
| Columbia | 104,338 | 5.1 mi |
| Fulton | 5,677 | 6.0 mi |
| Ellicott City | 75,257 | 6.4 mi |
| Ashton-Sandy Spring | 5,630 | 6.8 mi |
| Scaggsville | 10,564 | 7.3 mi |
| Burtonsville | 10,203 | 8.0 mi |
| West Laurel | 4,428 | 8.8 mi |
| Savage | 8,239 | 8.9 mi |
| North Laurel | 25,563 | 9.0 mi |
| Olney | 35,797 | 9.4 mi |
| Sykesville | 4,491 | 9.5 mi |
| Cloverly | 16,646 | 9.6 mi |
| Ilchester | 28,364 | 9.7 mi |
| Laurel | 29,798 | 10.7 mi |
More nearby: every ZIP code in Howard County · Maryland ZIP codes
Cite this page
zipcodes.pro. “Simpsonville, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/simpsonville
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