ZIP Codes in Maryland
Official U.S. Census Bureau and federal geographic directory listings.
Showing 478 total records.
| Entity Name | Classification | Location / State | GEOID | Land Area |
|---|---|---|---|---|
| ZIP Code | Maryland (MD) | 21211 | 2.87 sq mi | |
| ZIP Code | Maryland (MD) | 21212 | 4.59 sq mi | |
| ZIP Code | Maryland (MD) | 21213 | 3.43 sq mi | |
| ZIP Code | Maryland (MD) | 21214 | 2.79 sq mi | |
| ZIP Code | Maryland (MD) | 21215 | 6.81 sq mi | |
| ZIP Code | Maryland (MD) | 21216 | 3.30 sq mi | |
| ZIP Code | Maryland (MD) | 21217 | 2.12 sq mi | |
| ZIP Code | Maryland (MD) | 21218 | 4.33 sq mi | |
| ZIP Code | Maryland (MD) | 21219 | 12.13 sq mi | |
| ZIP Code | Maryland (MD) | 21220 | 21.18 sq mi | |
| ZIP Code | Maryland (MD) | 21221 | 15.03 sq mi | |
| ZIP Code | Maryland (MD) | 21222 | 11.50 sq mi | |
| ZIP Code | Maryland (MD) | 21223 | 2.63 sq mi | |
| ZIP Code | Maryland (MD) | 21224 | 9.33 sq mi | |
| ZIP Code | Maryland (MD) | 21225 | 6.46 sq mi | |
| ZIP Code | Maryland (MD) | 21226 | 9.78 sq mi | |
| ZIP Code | Maryland (MD) | 21227 | 11.33 sq mi | |
| ZIP Code | Maryland (MD) | 21228 | 15.58 sq mi | |
| ZIP Code | Maryland (MD) | 21229 | 5.94 sq mi | |
| ZIP Code | Maryland (MD) | 21230 | 6.32 sq mi | |
| ZIP Code | Maryland (MD) | 21231 | 0.87 sq mi | |
| ZIP Code | Maryland (MD) | 21233 | 0.03 sq mi | |
| ZIP Code | Maryland (MD) | 21234 | 13.35 sq mi | |
| ZIP Code | Maryland (MD) | 21236 | 8.92 sq mi | |
| ZIP Code | Maryland (MD) | 21237 | 11.25 sq mi | |
| ZIP Code | Maryland (MD) | 21239 | 2.93 sq mi | |
| ZIP Code | Maryland (MD) | 21240 | 4.51 sq mi | |
| ZIP Code | Maryland (MD) | 21244 | 14.14 sq mi | |
| ZIP Code | Maryland (MD) | 21250 | 0.25 sq mi | |
| ZIP Code | Maryland (MD) | 21251 | 0.12 sq mi | |
| ZIP Code | Maryland (MD) | 21252 | 0.25 sq mi | |
| ZIP Code | Maryland (MD) | 21285 | 0.18 sq mi | |
| ZIP Code | Maryland (MD) | 21286 | 8.59 sq mi | |
| ZIP Code | Maryland (MD) | 21287 | 0.00 sq mi | |
| ZIP Code | Maryland (MD) | 21401 | 19.93 sq mi | |
| ZIP Code | Maryland (MD) | 21402 | 1.87 sq mi | |
| ZIP Code | Maryland (MD) | 21403 | 9.27 sq mi | |
| ZIP Code | Maryland (MD) | 21405 | 1.02 sq mi | |
| ZIP Code | Maryland (MD) | 21409 | 14.00 sq mi | |
| ZIP Code | Maryland (MD) | 21502 | 92.09 sq mi | |
| ZIP Code | Maryland (MD) | 21520 | 56.69 sq mi | |
| ZIP Code | Maryland (MD) | 21521 | 23.82 sq mi | |
| ZIP Code | Maryland (MD) | 21523 | 0.75 sq mi | |
| ZIP Code | Maryland (MD) | 21524 | 3.59 sq mi | |
| ZIP Code | Maryland (MD) | 21529 | 0.92 sq mi | |
| ZIP Code | Maryland (MD) | 21530 | 60.89 sq mi | |
| ZIP Code | Maryland (MD) | 21531 | 61.16 sq mi | |
| ZIP Code | Maryland (MD) | 21532 | 74.13 sq mi | |
| ZIP Code | Maryland (MD) | 21536 | 97.88 sq mi | |
| ZIP Code | Maryland (MD) | 21538 | 17.87 sq mi |