Oldcastle Postal Codes
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Oldcastle city is located in Ontario, Canada
You can search for the Oldcastle ON postal codes by its streets and block numbers
Oldcastle Area Code is 905/289 and Time Zone is Eastern (GMT -05:00).
Oldcastle Postal Code - Ontario
Oldcastle Postal Code is a six-character string that forms part of a postal address in Canada. Like British and Dutch postcodes, Oldcastle - ON postal codes are alphanumeric.
The first three characters (alpha-numeric-alpha) of the postal code which represent a geographic area in Oldcastle.
The last three characters denote a Oldcastle local delivery unit (LDU). An LDU denotes a specific single Oldcastle address or range of addresses, which can correspond to an entire small town, a significant part of a medium-sized town, a single side of a city block in larger cities, a single large building or a portion of a very large one, a single (large) institution in Oldcastle, Ontario, such as a university or a hospital, or a business that receives large volumes of mail on a regular basis
If you want to send a mail to Oldcastle City, you should use the corresponding Postal Code.