Daftar wilayah
- L3M 1S6 - Grimsby, Niagara, Ontario
- L3M 1S7 - Grimsby, Niagara, Ontario
- L3M 1S9 - Grimsby, Niagara, Ontario
- L3M 1S8 - Grimsby, Niagara, Ontario
- L3M 1T1 - Grimsby, Niagara, Ontario
- L3M 1T2 - Grimsby, Niagara, Ontario
- L3M 1T3 - Grimsby, Niagara, Ontario
- L3M 1T4 - Grimsby, Niagara, Ontario
- L3M 1T5 - Grimsby, Niagara, Ontario
- L3M 1T6 - Grimsby, Niagara, Ontario
- L3M 1T7 - Grimsby, Niagara, Ontario
- L3M 1T8 - Grimsby, Niagara, Ontario
- L3M 1T9 - Grimsby, Niagara, Ontario
- L3M 1V1 - Grimsby, Niagara, Ontario
- L3M 1V2 - Grimsby, Niagara, Ontario
- L3M 1V3 - Grimsby, Niagara, Ontario
- L3M 1V4 - Grimsby, Niagara, Ontario
- L3M 1V5 - Grimsby, Niagara, Ontario
- L3M 1V6 - Grimsby, Niagara, Ontario
- L3M 1V7 - Grimsby, Niagara, Ontario