Is 18121 the correct postal code for Osan-si?

Yes, 18121 is the verified postal code for Osan-si, Gyeonggi Province, South Korea. Always use this code when sending mail or packages to this location.

How many postal codes does Osan-si have?

Osan-si area has 5 postal code(s). The primary postal code is 18121.

What is the postal code format for Osan-si?

The postal code Osan-si for 18121 follows the format 'NNNNN' and consists of 5 characters.

Where exactly is Osan-si located?

Osan-si is located in Gyeonggi Province, South Korea at coordinates 37.16230000° latitude and 127.05246000° longitude.

How do I address mail to Osan-si?

When addressing mail to Osan-si, include the postal code 18121, the district name 'Osan-si', city 'Gyeonggi Province', and country 'South Korea' (KR).

What is the country code for sending mail to Osan-si?

Use country code 'KR' and postal code 18121 when sending international mail to Osan-si, Gyeonggi Province, South Korea.

Can I track packages sent to Osan-si with postal code 18121?

Yes, packages sent to Osan-si with postal code 18121 can be tracked using the tracking number provided by your shipping carrier.

What phone code should I use to call Osan-si?

To call Osan-si from abroad, dial +82 followed by the local number. The international country code for South Korea is KR.

Is Osan-si a safe area in Gyeonggi Province?

Osan-si is an established area in Gyeonggi Province, South Korea. For specific safety information, please consult local resources and travel advisories.

Postal Codes of Osan-si, Gyeonggi Province, South Korea

Country

South Korea

Location

Osan-si

Postal Code

18121

What is Osan-si (South Korea) postal/zip code?

The postal code for Osan-si is 18121. Postal codes in Osan-si consist of 5 characters following the format NNNNN. Osan-si is located in Gyeonggi Province, South Korea, and is part of the Eastern Asia region. This postal code is essential for accurate mail delivery, online shopping, and official documentation. Whether you're sending a package, filling out a form, or verifying an address, using the correct postal code ensures your mail reaches its destination without delays. You can scan the QR code on the right to quickly save or share the complete address information for Osan-si.

Scan Address

How to Address Mail to Osan-si

Standard Address Format (click to edit)

RecipientJohn Doe

Street123 Example Street

DistrictOsan-si

City & Postal18121 Gyeonggi Province

CountrySOUTH KOREA

Addressing Tips for South Korea - Osan-si

Postal code format: NNNNN
Write postal code before the city name
Country name in UPPERCASE on last line
Include district name for faster delivery
ISO country code: KR

Shipping to Osan-si, South Korea

🇰🇷

Domestic Delivery

1-2 days

Within South Korea

International

7-21 days

Varies by origin

Customs Threshold

$150

Duty-free limit

Local Carriers in Osan-si

CJ Logistics Hanjin Korea Post Lotte Global Logistics

Osan-si: International Carriers

DHL FedEx UPS

Shipping Tips (Osan-si)

Always include postal code 18121 for faster delivery
Items above $150 may incur customs duties
Track your package using the carrier's tracking number
Consider insurance for valuable shipments

Osan-si South Korea Location Information

Region Asia
Subregion Eastern Asia
State Gyeonggi Province
Phone Code +82
Currency KRW
Coordinates 37.1623, 127.0525

This page provides information on postal codes and administrative divisions in Osan-si, Gyeonggi Province. We also provide a corresponding map on which you can view the exact location. Gyeonggi Province has 43 districts. The currency used in Osan-si is Won (KRW) and to make a call to this area you must first dial +82. Osan-si is located in the Asia subregion of Eastern Asia. You can check the current local time in Osan-si before making a call.

5 Postal Codes in Osan-si

Area	State	Place	Postal Code
Osan-si	Gyeonggi Province	오산시	18121
Osan-si	Gyeonggi Province	오산시	18123
Osan-si	Gyeonggi Province	오산시	18122
Osan-si	Gyeonggi Province	오산시	18118
Osan-si	Gyeonggi Province	오산시	18117

Osan-si is located in Gyeonggi Province, South Korea. New 5-digit system introduced in 2015. The postal codes listed above cover all areas within Osan-si.

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Frequently Asked Questions

The postal code of Osan-si, Gyeonggi Province, South Korea is 18121. This 5-character code follows the format NNNNN.

Osan-si has approximately 5 postal codes covering different areas and neighborhoods within the district.

Osan-si is located in Gyeonggi Province, South Korea. It is part of the Asia region and Eastern Asia subregion. The coordinates are 37.16230000, 127.05246000.

To call Osan-si, South Korea, you need to dial the international code +82 followed by the local number.

The currency used in Osan-si, South Korea is Won (KRW). The currency symbol is ₩.

The nearest major city to Osan-si is Gyeonggi Province, approximately 0 km away.

You can verify Osan-si postal codes on PostalZipCode.co. Enter the postal code in the search bar to see its location, district, and city details.

Nearby Locations

City	State	Distance	Latitude	Longitude
Osan	Gyeonggi Province	2 km	37.152	127.071
Yongin-si	Gyeonggi Province	14 km	37.238	127.178
Suwon	Gyeonggi Province	15 km	37.291	127.009
Pyeongtaek	Gyeonggi Province	17 km	37.014	126.987
Hwaseong-si	Gyeonggi Province	21 km	37.207	126.817
Uiwang-si	Gyeonggi Province	21 km	37.345	126.976
Gunpo-si	Gyeonggi Province	23 km	37.343	126.921
Anseong	Gyeonggi Province	26 km	37.011	127.27
Ansan-si	Gyeonggi Province	27 km	37.324	126.822
Anyang-si	Gyeonggi Province	28 km	37.393	126.927

Other South Korea in States

State	Distance	Latitude	Longitude
Incheon	45 km	37.456	126.705
Seoul	45 km	37.567	126.978
North Chungcheong Province	70 km	36.8	127.7
South Chungcheong Province	75 km	36.518	126.8
Daejeon	95 km	36.35	127.385

Osan-si in Other Languages

Postal Codes by Country

Country	Distance	Latitude	Longitude
North Korea	316 km	40	127
Japan	985 km	36	138
Taiwan	1,625 km	23.5	121
China	1,992 km	35	105
Hong Kong	2,066 km	22.267	114.188