Castleton Postal Codes
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Castleton city is located in Ontario, Canada
You can search for the Castleton ON postal codes by its streets and block numbers
Castleton Area Code is 289/905 and Time Zone is Eastern (GMT -05:00).
Castleton Postal Code - Ontario
Castleton Postal Code is a six-character string that forms part of a postal address in Canada. Like British and Dutch postcodes, Castleton - ON postal codes are alphanumeric.
The first three characters (alpha-numeric-alpha) of the postal code which represent a geographic area in Castleton.
The last three characters denote a Castleton local delivery unit (LDU). An LDU denotes a specific single Castleton 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 Castleton, 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 Castleton City, you should use the corresponding Postal Code.