ZIP Codes in Boston, MA
Boston uses 16 ZIP codes, all in Suffolk County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 16 Boston ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 02108 | standard | Suffolk | 3,794 |
| 02109 | standard | Suffolk | 3,612 |
| 02110 | standard | Suffolk | 2,342 |
| 02111 | standard | Suffolk | 8,407 |
| 02113 | standard | Suffolk | 6,385 |
| 02114 | standard | Suffolk | 14,418 |
| 02115 | standard | Suffolk | 29,705 |
| 02116 | standard | Suffolk | 21,978 |
| 02118 | standard | Suffolk | 28,946 |
| 02133 | standard | Suffolk | 62 |
| 02163 | standard | Suffolk | 1,817 |
| 02199 | standard | Suffolk | 1,292 |
| 02203 | standard | Suffolk | — |
| 02205 | standard | Suffolk | — |
| 02210 | standard | Suffolk | 6,971 |
| 02215 | standard | Suffolk | 24,581 |
Finding a ZIP+4 in Boston
Knowing which of these 16 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Boston street almost always have different ZIP+4 codes even though they share all five leading digits.
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