🇯🇵 Japan · Ibaraki Ken
Koga postal codes
Koga, Ibaraki Ken, has 80 postal codes, from 306-0000 to 349-1292. Which one applies depends on the street address.
- Postal Codes
- 80
- Population
- 139,344
- Prefecture
- Ibaraki Ken
- Coordinates
- 36.1833, 139.7167
All Koga postal codes
306-0000306-0001306-0002306-0003306-0004306-0005306-0006306-0007306-0011306-0012306-0013306-0014306-0015306-0016306-0021306-0022306-0023306-0024306-0025306-0026306-0031306-0032306-0033306-0034306-0035306-0036306-0037306-0038306-0041306-0042306-0043306-0044306-0045306-0046306-0047306-0051306-0052306-0053306-0054306-0055306-0056306-0202306-0204306-0205306-0206306-0212306-0213306-0216306-0221306-0222306-0223306-0224306-0225306-0226306-0231306-0232306-0233306-0234306-0235306-0236306-0292306-8601306-8686349-1131349-1132349-1152349-1153349-1154349-1201349-1202349-1203349-1204349-1205349-1212349-1213349-1214349-1215349-1216349-1221349-1292
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 Koga?
Koga has 80 postal codes in Ibaraki Ken. The right code depends on the street address; the list on this page shows all of them, starting with 306-0000.
How many postal codes does Koga have?
Our data lists 80 postal codes for Koga, Japan. The list includes codes of the city centre and surrounding districts.
How do I find the exact postal code for an address in Koga?
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
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GET https://api.zipcodestack.com/v1/code/city?city=Koga&country=jp
{
"query": { "city": "Koga", "country": "jp" },
"results": ["306-0000", "…"]
}Free postal code tools
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