Ongjin postal codes — Incheon, South Korea
1 locality and postal code in Ongjin, within South Korea's three-level hierarchy.
Ongjin postal codes
| Country | Province | City | City | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| South Korea | Incheon | Ongjin | Incheon | 23105 | 37.827484 | 124.708700 | Asia/Seoul |
Complete dataset
35,000 rows available in South Korea
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Get full database →About Ongjin
Ongjin is a city of Incheon, South Korea.
How postal codes work in Ongjin
South Korea uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Ongjin follow that format like everywhere else in the country, for example 23105 for Incheon.
Every code listed here for Ongjin begins with the prefix 23, which groups its delivery areas together within South Korea's national numbering.
Postal codes across South Korea, Ongjin 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 Ongjin follows that same order:
Recipient name
[House number] [Street name], Incheon 23105
What this dataset covers
This reference dataset lists 1 postal code for Ongjin, each paired with its locality and, where the source provides them, coordinates and a time zone.
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Ongjin postal codes — frequently asked questions
What postal codes does Ongjin use?
Every postal code listed here for Ongjin begins with the prefix 23.
What format are postal codes in Ongjin?
They use South Korea's national 99999 format. Five digits, numeric only. 23105 is one code from Ongjin.
Who issues postal codes in Ongjin?
Korea Post issues and maintains postal codes throughout South Korea, Ongjin included.
How many postal codes are listed for Ongjin?
This reference dataset contains 1 postal code for Ongjin. That is the dataset's own count, not a claim about every code in use.
Which province is Ongjin in?
Ongjin is a city of Incheon, South Korea.