County ZIP codes · Maryland · FIPS 24510
Baltimore city, MD ZIP Codes
Baltimore city, Maryland has 49 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 32 residential and 17 for PO boxes or a single organization. 23 of the residential ones lie mainly in Baltimore city and 9 mainly in a neighboring county; 17 cross the county line. Median household income ranges from $38,409 in 21217 to $112,428 in 21210 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Baltimore city?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $54,020 and $89,017.
They carry 10 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 32 residential ZIP codes in Baltimore city
23 ZIP codes lie mainly in Baltimore city; 9 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 21215 | Baltimore | 52,229 | 7,667 | $52k | $201k | 97% |
| 21206 | Baltimore | 48,902 | 6,742 | $65k | $216k | 69% |
| 21224 | Baltimore | 47,465 | 5,090 | $89k | $295k | 73% |
| 21229 | Baltimore | 46,679 | 7,864 | $60k | $201k | 86% |
| 21218 | Baltimore | 44,014 | 10,167 | $63k | $243k | 100% |
| 21212 | Baltimore | 33,974 | 7,408 | $97k | $374k | 57% |
| 21230 | Baltimore | 32,977 | 5,220 | $92k | $330k | 100% |
| 21217 | Baltimore | 30,792 | 14,525 | $38k | $180k | 100% |
| 21216 | Baltimore | 29,426 | 8,912 | $42k | $148k | 100% |
| 21213 | Baltimore | 28,058 | 8,175 | $51k | $155k | 100% |
| 21239 | Baltimore | 27,346 | 9,330 | $63k | $207k | 73% |
| 21214 | Baltimore | 21,092 | 7,549 | $86k | $260k | 100% |
| 21202 | Baltimore | 20,683 | 12,799 | $59k | $272k | 100% |
| 21223 | Baltimore | 19,572 | 7,453 | $46k | $111k | 100% |
| 21201 | Baltimore | 18,307 | 14,415 | $46k | $275k | 100% |
| 21211 | Baltimore | 14,969 | 5,221 | $83k | $285k | 100% |
| 21231 | Baltimore | 14,969 | 17,265 | $85k | $350k | 100% |
| 21210 | Baltimore | 14,134 | 4,100 | $112k | $547k | 84% |
| 21205 | Baltimore | 13,013 | 6,345 | $43k | $96k | 100% |
| 21226 | Curtis Bay | 6,674 | 683 | $83k | $331k | 50% |
| 21251 | Baltimore | 191 | 1,619 | – | – | 100% |
| 21233 | Baltimore | no residents | 0 | – | – | 100% |
| 21287 | Baltimore | no residents | 0 | – | – | 100% |
Partly in Baltimore city
| In this county | ||||||
|---|---|---|---|---|---|---|
| 21209 | Baltimore | 30,126 | 4,665 | $91k | $441k | 44% |
| 21225 | Brooklyn | 34,062 | 5,272 | $54k | $229k | 36% |
| 21207 | Gwynn Oak | 47,099 | 4,553 | $67k | $260k | 28% |
| 21234 | Parkville | 66,334 | 4,967 | $84k | $288k | 7% |
| 21222 | Dundalk | 59,407 | 5,164 | $64k | $216k | 6% |
| 21237 | Rosedale | 31,425 | 2,793 | $92k | $296k | 6% |
| 21227 | Halethorpe | 34,907 | 3,080 | $86k | $289k | 3% |
| 21236 | Nottingham | 39,514 | 4,430 | $95k | $327k | 2% |
| 21208 | Pikesville | 37,276 | 2,969 | $90k | $338k | 1% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
17 ZIP codes of Baltimore city extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Baltimore city | Elsewhere |
|---|---|---|
| 21234 | 7% | Baltimore County 93% |
| 21222 | 6% | Baltimore County 94% |
| 21215 | 97% | Baltimore County 3% |
| 21206 | 69% | Baltimore County 31% |
| 21224 | 73% | Baltimore County 27% |
| 21207 | 28% | Baltimore County 72% |
| 21229 | 86% | Baltimore County 14% |
| 21236 | 2% | Baltimore County 98% |
| 21208 | 1% | Baltimore County 99% |
| 21227 | 3% | Baltimore County 97% |
| 21225 | 36% | Anne Arundel County 64% |
| 21212 | 57% | Baltimore County 43% |
| 21237 | 6% | Baltimore County 94% |
| 21209 | 44% | Baltimore County 56% |
| 21239 | 73% | Baltimore County 27% |
| 21210 | 84% | Baltimore County 16% |
| 21226 | 50% | Anne Arundel County 50% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 21203 | Baltimore |
| 21235 | Baltimore |
| 21241 | Baltimore |
| 21263 | Baltimore |
| 21264 | Baltimore |
| 21270 | Baltimore |
| 21273 | Baltimore |
| 21275 | Baltimore |
| 21278 | Baltimore |
| 21279 | Baltimore |
| 21280 | Baltimore |
| 21281 | Baltimore |
| 21288 | Baltimore |
| 21289 | Baltimore |
| 21290 | Baltimore |
| 21297 | Baltimore |
| 21298 | Baltimore |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Baltimore city's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Baltimore city starts with 212.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 212 | Baltimore, MD (SCF 212) | 49 | 62 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.