Baltimore city ZIP Codes
Baltimore city is an independent city of Maryland.
- ZIP codes
- 39
- Cities & towns
- 1
- Area codes
- 6
- Land area
- 80.9 sq mi
Every ZIP code in Baltimore city
| ZIP code | City |
|---|---|
| 21201 | Baltimore |
| 21202 | Baltimore |
| 21203 | Baltimore |
| 21205 | Baltimore |
| 21206 | Baltimore |
| 21209 | Baltimore |
| 21210 | Baltimore |
| 21211 | Baltimore |
| 21212 | Baltimore |
| 21213 | Baltimore |
| 21214 | Baltimore |
| 21215 | Baltimore |
| 21216 | Baltimore |
| 21217 | Baltimore |
| 21218 | Baltimore |
| 21223 | Baltimore |
| 21224 | Baltimore |
| 21229 | Baltimore |
| 21230 | Baltimore |
| 21231 | Baltimore |
| 21233 | Baltimore |
| 21235 | Baltimore |
| 21239 | Baltimore |
| 21241 | Baltimore |
| 21263 | Baltimore |
| 21264 | Baltimore |
| 21270 | Baltimore |
| 21273 | Baltimore |
| 21275 | Baltimore |
| 21278 | Baltimore |
| 21279 | Baltimore |
| 21280 | Baltimore |
| 21281 | Baltimore |
| 21287 | Baltimore |
| 21288 | Baltimore |
| 21289 | Baltimore |
| 21290 | Baltimore |
| 21297 | Baltimore |
| 21298 | Baltimore |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Baltimore city codes above are listed without a column we would have to invent.
Cities and towns in Baltimore city
Area codes covering Baltimore city
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the independent city without matching its edges.
- 227 Area code 227
- 240 Area code 240
- 301 Area code 301
- 410 Area code 410
- 443 Area code 443
- 667 Area code 667
Where Baltimore city's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every ZIP code recorded in Baltimore city. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.