Lista de la región
- N1L 1R1 - Guelph, Wellington, Ontario
- N1L 1R2 - Guelph, Wellington, Ontario
- N1L 1R3 - Guelph, Wellington, Ontario
- N1L 1R4 - Guelph, Wellington, Ontario
- N1L 1R5 - Guelph, Wellington, Ontario
- N1L 1R6 - Guelph, Wellington, Ontario
- N1L 1R7 - Guelph, Wellington, Ontario
- N1L 1R8 - Guelph, Wellington, Ontario
- N1L 1R9 - Guelph, Wellington, Ontario
- N1L 1S1 - Guelph, Wellington, Ontario
- N1L 1S2 - Guelph, Wellington, Ontario
- N1L 1S3 - Guelph, Wellington, Ontario
- N1L 1S4 - Guelph, Wellington, Ontario
- N1L 1S5 - Guelph, Wellington, Ontario
- N1L 1S6 - Guelph, Wellington, Ontario
- N1L 1S7 - Guelph, Wellington, Ontario
- N1L 1S8 - Guelph, Wellington, Ontario
- N1L 1S9 - Guelph, Wellington, Ontario
- N1L 1T1 - Guelph, Wellington, Ontario
- N1L 1T2 - Guelph, Wellington, Ontario