Ganghwa postal codes — Incheon, South Korea
4 localities and postal codes in Ganghwa, within South Korea's three-level hierarchy.
Ganghwa postal codes
| Country | Province | City | City | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| South Korea | Incheon | Ganghwa | Incheon | 23010 | 37.673801 | 126.178813 | Asia/Seoul |
| South Korea | Incheon | Ganghwa | Incheon | 23016 | 37.753101 | 126.395912 | Asia/Seoul |
| South Korea | Incheon | Ganghwa | Incheon | 23018 | 37.725830 | 126.398342 | Asia/Seoul |
| South Korea | Incheon | Ganghwa | Incheon | 23040 | 37.722362 | 126.478708 | Asia/Seoul |
Complete dataset
35,000 rows available in South Korea
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Get full database →About Ganghwa
Ganghwa is a city of Incheon, South Korea.
How postal codes work in Ganghwa
South Korea uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Ganghwa follow that format like everywhere else in the country, for example 23018 for Incheon.
Every code listed here for Ganghwa begins with the prefix 23, which groups its delivery areas together within South Korea's national numbering.
Postal codes across South Korea, Ganghwa included, are issued and maintained by Korea Post. Reference information is available at www.koreapost.go.kr.
Addressing format
Addresses in South Korea are written [House number] [Street name], [City] [Postal code], and an address in Ganghwa follows that same order:
Recipient name
[House number] [Street name], Incheon 23018
What this dataset covers
This reference dataset lists 4 postal codes for Ganghwa, each paired with its locality and, where the source provides them, coordinates and a time zone.
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Ganghwa postal codes — frequently asked questions
What postal codes does Ganghwa use?
Every postal code listed here for Ganghwa begins with the prefix 23.
What format are postal codes in Ganghwa?
They use South Korea's national 99999 format. Five digits, numeric only. 23018 is one code from Ganghwa.
Who issues postal codes in Ganghwa?
Korea Post issues and maintains postal codes throughout South Korea, Ganghwa included.
How many postal codes are listed for Ganghwa?
This reference dataset contains 4 postal codes for Ganghwa. That is the dataset's own count, not a claim about every code in use.
Which province is Ganghwa in?
Ganghwa is a city of Incheon, South Korea.