| Code | Name | Region |
|---|---|---|
| CAWEV | Westville | NS |
| CAWSW | Westwold | BC |
| CAWET | Wetaskiwin | AB |
| CAWWB | Weyburn | SK |
| CAWAI | Watson Is | BC |
| CAWAN | Watson Island | BC |
| CAWAT | Watson Lake | YT |
| CAYQH | Watson Lake Apt | YT |
| CAWVY | Waverley | NS |
| CAYXZ | Wawa | ON |
| CAWAW | Wawanesa | MB |
| CAWWA | Wawota | SK |
| CAYWP | Webequie | ON |
| CAWED | Wedgeport | NS |
| CAWDO | Weedon | QC |
| CAWEL | Welland | ON |
| CAWLY | Wellesley | ON |
| CAWEN | Wellington | ON |
| CAEIW | Wellington | PE |
| CAWEP | Welshpool | NB |
| CAWMB | Wembley | AB |
| CAYNC | Wemindji | QC |
| CAWDK | Wendake | QC |
| CAW2N | Wendover | ON |
| CAWBG | Warburg | AB |
| CAWDI | Wardsville | ON |
| CAWMA | Warman | SK |
| CAWNR | Warner | AB |
| CAWRR | Warren | MB |
| CAWRN | Warren | ON |
| CAWWK | Warwick | QC |
| CAWAB | Wasaga Beach | ON |
| CAWSA | Waseca | SK |
| CAYKQ | Waskaganish | QC |
| CAWAS | Waskatenau | AB |
| CAWTR | Waterdown | ON |
| CAWFF | Waterford | ON |
| CAWTL | Waterloo | ON |
| CAWAO | Waterloo | QC |
| CAWVE | Waterville | NS |
| CAWVL | Waterville | QC |
| CAWTF | Watford | ON |
| CAWTS | Watrous | SK |
| CAASW | Watson | SK |
| CAVIN | Vineland Station | ON |
| CAVRD | Virden | MB |
| CAVRG | Virgil | ON |
| CAVTA | Vita | MB |
| CAVOB | Voisey's Bay | NL |
| CAVON | Vonda | SK |