Cornwall zip codes vary with locations. They use contain either K6H, K6J, or K6K as their prefix. The local units of neighbouring streets are often the same. Similar to other Canadian cities, Cornwall postal codes contain 6 alpha-numerical digits.
Cornwall is a city in Eastern Ontario, Canada, situated where the provinces of Ontario and Quebec and the state of New York converge.
Hint: Press CTRL + F (Windows) or CMD + F (Mac) and type your street address in Cornwall to quickly find your zip code. If a street uses more than one zip code, click on that street to find the postcode for specific addresses within that street.
Key points
| Country | Canada |
| Province | Ontario |
| City | Cornwall |
| ISO 3166-2 code | CA-ON |
| Postal code Prefix | K6H, K6J, or K6K |
| Area codes | 613, 343 |
Cornwall Postal Codes
| Street Address | Postal Code |
|---|---|
| 540 Adolphus St Cornwall | K6H 3T2 |
| 41 Amelia St Cornwall | K6H 7E5 |
| 24 Augustus St Cornwall | K6J 3V8 |
| 120 Augustus St Cornwall | K6J 3W1 |
| 210 Augustus St Cornwall | K6J 5T3 |
| 1421 Brookdale Ave Cornwall | K6J 5E8 |
| 1451 Brookdale Ave Cornwall | K6J 5B5 |
| 1-1630 Brookdale Ave Cornwall | K6J 5X6 |
| 136 Bryden Ave Cornwall | K6H 7A6 |
| 140 Bryden Ave Cornwall | K6H 7A6 |
| 141 Bryden Ave Cornwall | K6H 7A7 |
| 144 Bryden Ave Cornwall | K6H 7A6 |
| 145 Bryden Ave Cornwall | K6H 7A7 |
| 148 Bryden Ave Cornwall | K6H 7A6 |
| 149 Bryden Ave Cornwall | K6H 7A7 |
| 153 Bryden Ave Cornwall | K6H 7A7 |
| 201 Bryden Ave Cornwall | K6H 7A7 |
| 208 Bryden Ave Cornwall | K6H 7A6 |
| 209 Bryden Ave Cornwall | K6H 7A6 |
| 212 Bryden Ave Cornwall | K6H 7A6 |
| 213 Bryden Ave Cornwall | K6H 7A6 |
| 1500 Cumberland St Cornwall | K6J 4K9 |
| 1500A Cumberland St Cornwall | K6J 5V9 |
| 121 Dunbar Ave Cornwall | K6H 7P4 |
| 15 Edward St Cornwall | K6H 4G6 |
| 220 Emma Ave Cornwall | K6J 5V8 |
| 5 Forestdale Cres Cornwall | K6K 1V7 |
| 6 Forestdale Cres Cornwall | K6K 1V7 |
| 8 Forestdale Cres Cornwall | K6K 1V7 |
| 9 Forestdale Cres Cornwall | K6K 1V7 |
| 10 Forestdale Cres Cornwall | K6K 1V7 |
| 12 Forestdale Cres Cornwall | K6K 1V7 |
| 13 Forestdale Cres Cornwall | K6K 1V7 |
| 16 Forestdale Cres Cornwall | K6K 1V7 |
| 20 Forestdale Cres Cornwall | K6K 1V7 |
| 24 Forestdale Cres Cornwall | K6K 1V7 |
| 28 Forestdale Cres Cornwall | K6K 1V7 |
| 32 Forestdale Cres Cornwall | K6K 1V7 |
| 600 Glengarry Blvd Cornwall | K6H 6P8 |
| 625 Glengarry Blvd Cornwall | K6H 6R9 |
| 645 Glengarry Blvd Cornwall | K6H 6S1 |
| 1-650 Hamilton Cres Cornwall | K6H 7L4 |
| 1204 Innwood Ave Cornwall | K6J 5V2 |
| 1205 Innwood Ave Cornwall | K6J 5V2 |
| 1209 Innwood Ave Cornwall | K6J 5V2 |
| 1212 Innwood Ave Cornwall | K6J 5V2 |
| 1216 Innwood Ave Cornwall | K6J 5V4 |
| 1217 Innwood Ave Cornwall | K6J 5V4 |
| 1224 Innwood Ave Cornwall | K6J 5V4 |
| 1225 Innwood Ave Cornwall | K6J 5V4 |
| 1232 Innwood Ave Cornwall | K6J 5V4 |
| 1233 Innwood Ave Cornwall | K6J 5V4 |
| 1236 Innwood Ave Cornwall | K6J 5V4 |
| 1237 Innwood Ave Cornwall | K6J 5V4 |
| 1240 Innwood Ave Cornwall | K6J 5V4 |
| 1241 Innwood Ave Cornwall | K6J 5V4 |
| 501 Jase St Cornwall | K6H 7G5 |
| 505 Jase St Cornwall | K6H 7G5 |
| 509 Jase St Cornwall | K6H 7G5 |
| 513 Jase St Cornwall | K6H 7G5 |
| 517 Jase St Cornwall | K6H 7G5 |
| 525 Jase St Cornwall | K6H 7G5 |
| 529 Jase St Cornwall | K6H 7G5 |
| 533 Jase St Cornwall | K6H 7G5 |
| 537 Jase St Cornwall | K6H 7G5 |
| 541 Jase St Cornwall | K6H 7G5 |
| 545 Jase St Cornwall | K6H 7G5 |
| 549 Jase St Cornwall | K6H 7G5 |
| 553 Jase St Cornwall | K6H 7G5 |
| 556 Jase St Cornwall | K6H 7G5 |
| 557 Jase St Cornwall | K6H 7G5 |
| 558 Jase St Cornwall | K6H 7G5 |
| 560 Jase St Cornwall | K6H 7G5 |
| 561 Jase St Cornwall | K6H 7G5 |
| 562 Jase St Cornwall | K6H 7G5 |
| 564 Jase St Cornwall | K6H 7G5 |
| 565 Jase St Cornwall | K6H 7G5 |
| 566 Jase St Cornwall | K6H 7G5 |
| 568 Jase St Cornwall | K6H 7G5 |
| 569 Jase St Cornwall | K6H 7G5 |
| 570 Jase St Cornwall | K6H 7G5 |
| 572 Jase St Cornwall | K6H 7G5 |
| 574 Jase St Cornwall | K6H 7G5 |
| 852 Kenyon Cres Cornwall | K6H 6Y9 |
| 855 Kenyon Cres Cornwall | K6H 6Z1 |
| 860 Kenyon Cres Cornwall | K6H 6Y9 |
| 863 Kenyon Cres Cornwall | K6H 6Z1 |
| 864 Kenyon Cres Cornwall | K6H 6Y9 |
| 872 Kenyon Cres Cornwall | K6H 6Y9 |
| 875 Kenyon Cres Cornwall | K6H 6Z1 |
| 900 Kenyon Cres Cornwall | K6H 6Z1 |
| 96-460 Leitch Dr Cornwall | K6H 7L5 |
| 1105 Lindsay Cres Cornwall | K6H 6X7 |
| 1109 Lindsay Cres Cornwall | K6H 6X6 |
| 1113 Lindsay Cres Cornwall | K6H 6X6 |
| 1117 Lindsay Cres Cornwall | K6H 6X6 |
| 1121 Lindsay Cres Cornwall | K6H 6X6 |
| 1125 Lindsay Cres Cornwall | K6H 6X6 |
| 1129 Lindsay Cres Cornwall | K6H 6X6 |
| 1133 Lindsay Cres Cornwall | K6H 6X6 |
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