| A0A | — | Newfoundland and Labrador | 47,831 | 4,631 km² |
| A0B | — | Newfoundland and Labrador | 20,819 | 5,460.5 km² |
| A0C | — | Newfoundland and Labrador | 11,980 | 3,511.6 km² |
| A0E | — | Newfoundland and Labrador | 21,352 | 6,109.4 km² |
| A0G | — | Newfoundland and Labrador | 32,975 | 17,126.6 km² |
| A0H | — | Newfoundland and Labrador | 16,886 | 19,830.9 km² |
| A0J | — | Newfoundland and Labrador | 7,217 | 1,926.4 km² |
| A0K | — | Newfoundland and Labrador | 25,361 | 63,733.9 km² |
| A0L | — | Newfoundland and Labrador | 7,407 | 1,567.9 km² |
| A0M | — | Newfoundland and Labrador | 5,118 | 3,772.6 km² |
| A0N | — | Newfoundland and Labrador | 13,436 | 12,981.4 km² |
| A0P | — | Newfoundland and Labrador | 13,392 | 169,677.4 km² |
| A0R | — | — | 2,582 | 83,579.3 km² |
| A1A | St. John's, Newfoundland and Labrador | Newfoundland and Labrador | 31,575 | 44.1 km² |
| A1B | St. John's, Newfoundland and Labrador | Newfoundland and Labrador | 19,068 | 53.1 km² |
| A1C | St. John's, Newfoundland and Labrador | Newfoundland and Labrador | 13,736 | 4.097 km² |
| A1E | St. John's, Newfoundland and Labrador | Newfoundland and Labrador | 29,746 | 14.4 km² |
| A1G | St. John's, Newfoundland and Labrador | Newfoundland and Labrador | 5,818 | 10.8 km² |
| A1H | St. John's, Newfoundland and Labrador | Newfoundland and Labrador | 4,818 | 163.1 km² |
| A1K | — | Newfoundland and Labrador | 11,975 | 89.8 km² |
| A1L | Paradise, Newfoundland and Labrador | Newfoundland and Labrador | 18,784 | 32 km² |
| A1M | — | Newfoundland and Labrador | 7,813 | 66.2 km² |
| A1N | Mount Pearl | Newfoundland and Labrador | 25,583 | 15.8 km² |
| A1S | — | Newfoundland and Labrador | 6,822 | 171.8 km² |
| A1V | Gander, Newfoundland and Labrador | Newfoundland and Labrador | 11,594 | 109.2 km² |
| A1W | Conception Bay South | Newfoundland and Labrador | 11,653 | 24.2 km² |
| A1X | Conception Bay South | Newfoundland and Labrador | 14,528 | 37 km² |
| A1Y | Carbonear | Newfoundland and Labrador | 5,574 | 144.2 km² |
| A2A | Grand Falls-Windsor | Newfoundland and Labrador | 9,500 | 27 km² |
| A2B | Grand Falls-Windsor | Newfoundland and Labrador | 5,363 | 4,454.2 km² |
| A2H | Corner Brook | Newfoundland and Labrador | 25,806 | 1,722.3 km² |
| A2N | Stephenville, Newfoundland and Labrador | Newfoundland and Labrador | 8,579 | 53.4 km² |
| A2V | Labrador City | Newfoundland and Labrador | 7,571 | 39.7 km² |
| A5A | Clarenville | Newfoundland and Labrador | 7,118 | 447.9 km² |
| A8A | — | Newfoundland and Labrador | 6,671 | 5,364.8 km² |
| B0A | — | Nova Scotia | — | — |
| B0C | — | Nova Scotia | 2,543 | 1,652.1 km² |
| B0E | — | Nova Scotia | 24,824 | 6,146.7 km² |
| B0H | — | Nova Scotia | 10,021 | 2,732.5 km² |
| B0J | — | Nova Scotia | 38,448 | 5,553.9 km² |
| B0K | — | Nova Scotia | 36,822 | 3,535 km² |
| B0L | — | Nova Scotia | 1,862 | 220.9 km² |
| B0M | — | Nova Scotia | 18,148 | 3,910.1 km² |
| B0N | — | Nova Scotia | 41,002 | 5,191.1 km² |
| B0P | — | Nova Scotia | 41,962 | 1,949.5 km² |
| B0R | — | Nova Scotia | 6,195 | 1,078.9 km² |
| B0S | — | Nova Scotia | 17,373 | 3,060.7 km² |
| B0T | — | Nova Scotia | 15,138 | 4,464.3 km² |
| B0V | — | Nova Scotia | 5,771 | 315.6 km² |
| B0W | — | Nova Scotia | 26,279 | 4,645.5 km² |
| B1A | Glace Bay | Nova Scotia | 15,695 | 31 km² |
| B1B | Port Morien | Nova Scotia | 1,359 | 162.5 km² |
| B1C | Louisbourg | Nova Scotia | 1,649 | 252 km² |
| B1E | — | Nova Scotia | 1,475 | 5.1 km² |
| B1G | Dominion, Nova Scotia | Nova Scotia | 1,924 | 6.3 km² |
| B1H | New Waterford, Nova Scotia | Nova Scotia | 9,784 | 55 km² |
| B1J | — | Nova Scotia | 1,168 | 286.3 km² |
| B1K | — | Nova Scotia | 3,348 | 852.4 km² |
| B1L | Sydney | Nova Scotia | 5,034 | 191.4 km² |
| B1M | Sydney | Nova Scotia | 914 | 50.3 km² |
| B1N | Sydney | Nova Scotia | 5,774 | 59.4 km² |
| B1P | Sydney | Nova Scotia | 13,953 | 45.1 km² |
| B1R | Sydney | Nova Scotia | 4,339 | 26.8 km² |
| B1S | Sydney | Nova Scotia | 9,093 | 16.3 km² |
| B1T | — | Nova Scotia | 472 | 184 km² |
| B1V | Sydney | Nova Scotia | 6,163 | 12.4 km² |
| B1W | — | Nova Scotia | 3,184 | 36.1 km² |
| B1X | — | Nova Scotia | 1,073 | 236.6 km² |
| B1Y | — | Nova Scotia | 6,117 | 241.1 km² |
| B2A | North Sydney, Nova Scotia | Nova Scotia | 7,402 | 82.5 km² |
| B2C | — | Nova Scotia | 465 | 172.4 km² |
| B2E | — | Nova Scotia | 35 | 97.1 km² |
| B2G | Antigonish, Nova Scotia | Nova Scotia | 15,139 | 1,008.4 km² |
| B2H | New Glasgow, Nova Scotia | Nova Scotia | 15,088 | 311.8 km² |
| B2J | — | Nova Scotia | 90 | 120.6 km² |
| B2N | Truro, Nova Scotia | Nova Scotia | 21,250 | 54.5 km² |
| B2R | — | Nova Scotia | 3,035 | 62.6 km² |
| B2S | Elmsdale, Nova Scotia | Nova Scotia | 7,502 | 319.2 km² |
| B2T | — | Nova Scotia | 17,108 | 581.8 km² |
| B2V | Dartmouth, Nova Scotia | Nova Scotia | 11,926 | 11.9 km² |
| B2W | Dartmouth, Nova Scotia | Nova Scotia | 34,218 | 24.2 km² |
| B2X | Dartmouth, Nova Scotia | Nova Scotia | 12,305 | 14.3 km² |
| B2Y | Dartmouth, Nova Scotia | Nova Scotia | 15,142 | 7.4 km² |
| B2Z | — | Nova Scotia | 9,851 | 133.4 km² |
| B3A | Dartmouth, Nova Scotia | Nova Scotia | 21,138 | 26.3 km² |
| B3B | Dartmouth, Nova Scotia | Nova Scotia | 1,020 | 3.753 km² |
| B3E | — | Nova Scotia | 6,923 | 111.3 km² |
| B3G | Eastern Passage, Nova Scotia | Nova Scotia | 11,356 | 33.2 km² |
| B3H | Halifax | Nova Scotia | 21,513 | 6.6 km² |
| B3J | Halifax | Nova Scotia | 4,426 | 0.946 km² |
| B3K | Halifax | Nova Scotia | 22,226 | 6.5 km² |
| B3L | Halifax | Nova Scotia | 17,223 | 4.445 km² |
| B3M | Halifax | Nova Scotia | 28,901 | 11.5 km² |
| B3N | Halifax | Nova Scotia | 14,285 | 9.8 km² |
| B3P | Halifax | Nova Scotia | 8,485 | 12.7 km² |
| B3R | Halifax | Nova Scotia | 9,436 | 15.3 km² |
| B3S | Halifax | Nova Scotia | 11,544 | 3.854 km² |
| B3T | — | Nova Scotia | 17,974 | 233.5 km² |
| B3V | — | Nova Scotia | 5,988 | 137.3 km² |
| B3Z | — | Nova Scotia | 16,577 | 548.9 km² |
