Lista de região
- N1K 1S5 - Guelph, Wellington, Ontario
- N1K 1S6 - Guelph, Wellington, Ontario
- N1K 1S7 - Guelph, Wellington, Ontario
- N1K 1S8 - Guelph, Wellington, Ontario
- N1K 1S9 - Guelph, Wellington, Ontario
- N1K 1T1 - Guelph, Wellington, Ontario
- N1K 1T2 - Guelph, Wellington, Ontario
- N1K 1T3 - Guelph, Wellington, Ontario
- N1K 1T4 - Guelph, Wellington, Ontario
- N1K 1T5 - Guelph, Wellington, Ontario
- N1K 1T6 - Guelph, Wellington, Ontario
- N1K 1T7 - Guelph, Wellington, Ontario
- N1K 1T8 - Guelph, Wellington, Ontario
- N1K 1T9 - Guelph, Wellington, Ontario
- N1K 1V1 - Guelph, Wellington, Ontario
- N1K 1V2 - Guelph, Wellington, Ontario
- N1K 1V3 - Guelph, Wellington, Ontario
- N1K 1V5 - Guelph, Wellington, Ontario
- N1K 1V6 - Guelph, Wellington, Ontario
- N1K 1V7 - Guelph, Wellington, Ontario