🇰🇷 South Korea · Sejong-si
Sejong postal codes
Sejong, Sejong-si, has 109 postal codes, from 28155 to 30154. Which one applies depends on the street address.
- Postal Codes
- 109
- Population
- 394,630
- Province
- Sejong-si
- Coordinates
- 36.5924, 127.2922
All Sejong postal codes
28155281562815728158281592816028161281622816328164281652816628167281682816928172281732817428175281763001230014300153001630017300183001930020300213002230023300243002530026300273002830029300303003130032300333003430035300363003730038300393004030042300433004430045300463004730048300493005730058300593006230063300643006530066300683006930070300903009330096300973009830099301003010130102301033010430107301083010930110301133011430116301173011830119301203012130123301243012530126301273012830129301303013130132301453014630147301493015030151301523015330154
No code matches.
Includes codes within a few kilometres of the city centre. Data: GeoNames (CC BY 4.0) and zipcodestack.
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Frequently asked questions
What is the postal code of Sejong?
Sejong has 109 postal codes in Sejong-si. The right code depends on the street address; the list on this page shows all of them, starting with 28155.
How many postal codes does Sejong have?
Our data lists 109 postal codes for Sejong, South Korea. The list includes codes of the city centre and surrounding districts.
How do I find the exact postal code for an address in Sejong?
Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any postal code and can search codes by city or by radius.
Postal code API
Sejong postal codes in your app
zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.
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GET https://api.zipcodestack.com/v1/code/city?city=Sejong&country=kr
{
"query": { "city": "Sejong", "country": "kr" },
"results": ["28155", "…"]
}Free postal code tools
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