| Postal Code | L1B 1A5 |
| City | Newcastle |
| Province | Ontario (ON) |
| Coordinates | 43.8984000, -78.6225000 |
| Population | 53 |
| FSA (Forward Sortation Area) | L1B |
| LDU (Local Delivery Unit) | 1A5 |
| Country | Canada |
Located in Ontario, Canada is home to the sparsely populated community of Newcastle, served by postal code L1B 1A5.
Around 53 people live in the L1B 1A5 postal code area. This is roughly in line with the Ontario average of about 47 residents.
Other postal code codes in Ontario serve areas such as Kleinburg, Schomberg.
The postal code for Newcastle, Ontario is L1B 1A5.
L1B 1A5 is located in Ontario, Canada.
The population of L1B 1A5 (Newcastle) is approximately 53 people.
L1B 1A5 is about average compared to the typical Ontario postal code, which averages around 47 people.
Postal code codes near L1B 1A5 include L0J 0A1, L0J 1C0, L0G 0A1.