ZIP Codes in Seattle, WA
Seattle uses 38 ZIP codes, all in King County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 38 Seattle ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 98101 | standard | King | 17,153 |
| 98102 | standard | King | 27,333 |
| 98103 | standard | King | 52,671 |
| 98104 | standard | King | 16,542 |
| 98105 | standard | King | 49,767 |
| 98106 | standard | King | 28,690 |
| 98107 | standard | King | 28,776 |
| 98108 | standard | King | 25,529 |
| 98109 | standard | King | 34,328 |
| 98112 | standard | King | 23,921 |
| 98115 | standard | King | 54,349 |
| 98116 | standard | King | 28,711 |
| 98117 | standard | King | 35,711 |
| 98118 | standard | King | 50,500 |
| 98119 | standard | King | 26,879 |
| 98121 | standard | King | 21,166 |
| 98122 | standard | King | 43,234 |
| 98125 | standard | King | 44,520 |
| 98126 | standard | King | 22,975 |
| 98133 | standard | King | 53,249 |
| 98134 | standard | King | 645 |
| 98136 | standard | King | 17,252 |
| 98144 | standard | King | 33,787 |
| 98146 | standard | King | 28,573 |
| 98148 | standard | King | 9,715 |
| 98154 | standard | King | — |
| 98155 | standard | King | 36,511 |
| 98158 | standard | King | — |
| 98164 | standard | King | 292 |
| 98166 | standard | King | 22,082 |
| 98168 | standard | King | 35,528 |
| 98174 | standard | King | — |
| 98177 | standard | King | 21,090 |
| 98178 | standard | King | 26,748 |
| 98188 | standard | King | 27,311 |
| 98195 | standard | King | 2,757 |
| 98198 | standard | King | 40,463 |
| 98199 | standard | King | 22,468 |
Finding a ZIP+4 in Seattle
Knowing which of these 38 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 Seattle street almost always have different ZIP+4 codes even though they share all five leading digits.
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