Cheongju postal codes — Chungcheongbuk, South Korea

Cheongju is a city of Chungcheongbuk, South Korea.

Towns in Cheongju include Seowon, Heungdeok, Sangdang and Cheongwon, together with the surrounding localities whose postal codes are listed above.

How postal codes work in Cheongju

South Korea uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Cheongju follow that format like everywhere else in the country, for example 28743 for Cheongju.

Every code listed here for Cheongju begins with the prefix 28, which groups its delivery areas together within South Korea's national numbering.

Postal codes across South Korea, Cheongju 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 Cheongju follows that same order:

Recipient name
[House number] [Street name], Cheongju 28743

What this dataset covers

This reference dataset lists 27 postal codes for Cheongju, each paired with its locality and, where the source provides them, coordinates and a time zone.