This is a list of postal codes for the province of Nova Scotia in Canada with the prefix B.
- B0C - Northern Victoria County
- B0E - Inverness County, Richmond County, and southern Victoria County
- B0H - Antigonish County, and Eastern Guysborough
- B0J - Halifax County, Chester, and Lunenberg
- B0K - Pictou County, southern shore of the Northumberland Strait
- B0L - Northern and western Cumberland County
- B0M - Northern shore of the Minas Channel, Minas Basin, and Cobelquid Bay
- B0N - Hants County
- B0P - Kings County
- B0R - Western Lunenburg County
- B0S - Annapolis County
- B0T - Shelburne, and Queens County
- B0V - Digby Neck
- B0W - Digby County, Yarmouth County, and Barrington
- B1A - Glace Bay
- B1B - Port Morien
- B1C - Louisbourg
- B1E - Reserve Mines
- B1G - Dominion
- B1H - New Waterford
- B1J - East Bay
- B1K - Marion Bridge
- B1L - Sydney
- B1M - Sydney
- B1N - Sydney
- B1P - Sydney
- B1R - Sydney
- B1S - Sydney
- B1T - Christmas Island
- B1V - North Sydney
- B1X - Big Bras d'Or
- B1Y - Alder Point
- B2A - North Sydney
- B2C - Iona
- B2E - Loch Lomond
- B2G - Antigonish
- B2H - New Glasgow
- B2N - Truro
- B2T - Lake Fletcher
- B2V - Dartmouth
- B2W - Dartmouth
- B2X - Dartmouth
- B2Y - Dartmouth
- B2Z - Dartmouth
- B3A - Dartmouth
- B3B - Dartmouth
- B3E - Lake Echo
- B3G - Eastern Passage
- B3H - Halifax
- B3J - Halifax
- B3K - Halifax
- B3L - Halifax
- B3M - Halifax
- B3N - Halifax
- B3P - Halifax
- B3R - Halifax
- B3S - Halifax
- B3T - Lakeside
- B3V - Harrietsfield
- B3Z - Timberlea
- B4A - Bedford
- B4B - Bedford
- B4C - Lower Sackville
- B4E - Lower Sackville
- B4G - Lower Sackville
- B4H - Amherst
- B4N - Kentville
- B4R - Coldbrook
- B4R - Coldbrook
- B4V - Bridgewater
- B5A - Yarmouth
See also: List of postal codes in Canada
