| Code | Name | Region |
|---|---|---|
| CABOO | Bloomingdale | ON |
| CABBB | Blubber Bay | BC |
| CABMT | Blue Mountain | ON |
| CABLG | Blue Ridge | AB |
| CABVR | Blue River | BC |
| CABFT | Bluffton | AB |
| CABMN | Blumenort | MB |
| CABLY | Blyth | ON |
| CABOB | Bobcaygeon | ON |
| CAYBO | Bobquinn Lake | BC |
| CABOI | Boiestown | NB |
| CABBD | Boisbriand | QC |
| CABFI | Bois-des-filion | QC |
| CABGR | Big River | NB |
| CAYTL | Big Trout Lake | ON |
| CABIR | Biggar | SK |
| CAYTZ | Billy Bishop Toronto City Apt/toronto | ON |
| CABCH | Binscarth | MB |
| CABHI | Birds Hill | MB |
| CABHF | Bishops Falls | NL |
| CABPF | Bishop's Falls | NL |
| CABKC | Black Creek | BC |
| CABDM | Black Diamond | AB |
| CABKL | Black Lake | QC |
| CAYBI | Black Tickle | NL |
| CABKF | Blackfalds | AB |
| CABFO | Blackfoot | AB |
| CABKI | Blackie | AB |
| CABLH | Blacks Harbour | NB |
| CABSK | Blackstock | ON |
| CABKV | Blackville | NB |
| CABLA | Blainville | QC |
| CAYBX | Blanc-sablon | QC |
| CAEEK | Belleisle Creek | NB |
| CABLV | Belleville | ON |
| CABVU | Bellevue | AB |
| CABLM | Belmont | ON |
| CABLL | Beloeil | QC |
| CABLD | Belwood | ON |
| CABNT | Benito | MB |
| CABSC | Benoit's Cove | NL |
| CAYBV | Berens River Apt | MB |
| CABFR | Beresford | NB |
| CABBN | Bernard | NU |
| CABMS | Berry Mills | NB |
| CABSM | Berthier-sur-mer | QC |
| CABER | Berthierville | QC |
| CABWK | Berwick | NS |
| CABTY | Bethany | ON |
| CABTE | Bethune | SK |