| Postal Code | L1B 1B9 |
| City | Newcastle |
| Province | Ontario (ON) |
| Coordinates | 43.8982000, -78.6215000 |
| Population | 53 |
| FSA (Forward Sortation Area) | L1B |
| LDU (Local Delivery Unit) | 1B9 |
| Country | Canada |
The postal code L1B 1B9 of Newcastle falls within Ontario, Canada - a sparsely populated area by population.
Census data puts the population of this postal code at 53 residents. This is roughly in line with the Ontario average of about 47 residents.
Nearby communities in Ontario include Kleinburg, Schomberg.
The postal code for Newcastle, Ontario is L1B 1B9.
L1B 1B9 is located in Ontario, Canada.
The population of L1B 1B9 (Newcastle) is approximately 53 people.
L1B 1B9 is about average compared to the typical Ontario postal code, which averages around 47 people.
Postal code codes near L1B 1B9 include L0J 0A1, L0J 1C0, L0G 0A1.