Seznam oblastí
- N1K 1Y1 - Guelph, Wellington, Ontario
- N1K 1Y2 - Guelph, Wellington, Ontario
- N1K 1Y3 - Guelph, Wellington, Ontario
- N1K 1Y4 - Guelph, Wellington, Ontario
- N1K 1Y5 - Guelph, Wellington, Ontario
- N1K 1Y6 - Guelph, Wellington, Ontario
- N1K 1Y7 - Guelph, Wellington, Ontario
- N1K 1Y8 - Guelph, Wellington, Ontario
- N1K 1Y9 - Guelph, Wellington, Ontario
- N1K 1Z1 - Guelph, Wellington, Ontario
- N1K 1Z2 - Guelph, Wellington, Ontario
- N1K 1Z3 - Guelph, Wellington, Ontario
- N1K 1Z4 - Guelph, Wellington, Ontario
- N1K 1Z5 - Guelph, Wellington, Ontario
- N1K 1Z6 - Guelph, Wellington, Ontario
- N1K 1Z7 - Guelph, Wellington, Ontario
- N1K 1Z8 - Guelph, Wellington, Ontario
- N1K 1Z9 - Guelph, Wellington, Ontario
- N1K 2A1 - Guelph, Wellington, Ontario
- N1K 2A2 - Guelph, Wellington, Ontario