Lista de la región
- N1K 0A1 - Guelph, Wellington, Ontario
- N1K 0A2 - Guelph, Wellington, Ontario
- N1K 0A3 - Guelph, Wellington, Ontario
- N1K 0A4 - Guelph, Wellington, Ontario
- N1K 0A6 - Guelph, Wellington, Ontario
- N1K 0A7 - Guelph, Wellington, Ontario
- N1K 0A9 - Guelph, Wellington, Ontario
- N1K 0B1 - Guelph, Wellington, Ontario
- N1K 0B2 - Guelph, Wellington, Ontario
- N1K 0B3 - Guelph, Wellington, Ontario
- N1K 1A1 - Guelph, Wellington, Ontario
- N1K 1A2 - Guelph, Wellington, Ontario
- N1K 1A3 - Guelph, Wellington, Ontario
- N1K 1A4 - Guelph, Wellington, Ontario
- N1K 1A5 - Guelph, Wellington, Ontario
- N1K 1A6 - Guelph, Wellington, Ontario
- N1K 1A7 - Guelph, Wellington, Ontario
- N1K 1A8 - Guelph, Wellington, Ontario
- N1K 1A9 - Guelph, Wellington, Ontario
- N1K 1B1 - Guelph, Wellington, Ontario