Home Countries Continents

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

ATM Finder
Download Printable Postal Codes
Postcode Widget Generator
Post Office Finder
Currency Converter

Resources

All Postal Codes
Find Post Office
Maps
Countries
Blog

Info

About
Advertise with us
Contact
Privacy
Terms

© Copyright 2026 ListPostCode. All rights reserved.

Home Countries Continents

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

ATM Finder
Download Printable Postal Codes
Postcode Widget Generator
Post Office Finder
Currency Converter

Resources

All Postal Codes
Find Post Office
Maps
Countries
Blog

Info

About
Advertise with us
Contact
Privacy
Terms

© Copyright 2026 ListPostCode. All rights reserved.

Home
All Postal Codes
South Korea
Prefix 21

21

Postcode Prefix

Postcodes with first number 21

Browse all communes and their postal codes that start with the prefix 21 across Cambodia.

1 Province4 districts4 communes

Browse by prefix

01 02 03 04 05 06 07 08 10 11 12 13 14 15 16 17 18 21 22 23 24 25 26 27 28 29 31 32 33 34 35 36 37 38 39 40 41 42 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 61 62 63

List of postcodes with first number 21:

인천광역시

4 districts, 4 communes

계양구 21000

남동구 21500

부평구 21300

연수구 21900

All Postcodes

Complete list of 4 communes with postcode prefix 21

ProvinceDistrictCommunePostcode

연수구 21900

인천광역시 연수구

인천광역시

남동구 21500

인천광역시 남동구

인천광역시

부평구 21300

인천광역시 부평구

인천광역시

계양구 21000

인천광역시 계양구

인천광역시

Found incorrect info for Postcodes with first number 21?

Home
All Postal Codes
South Korea
Prefix 21

21

Postcode Prefix

Postcodes with first number 21

Browse all communes and their postal codes that start with the prefix 21 across Cambodia.

1 Province4 districts4 communes

Browse by prefix

01 02 03 04 05 06 07 08 10 11 12 13 14 15 16 17 18 21 22 23 24 25 26 27 28 29 31 32 33 34 35 36 37 38 39 40 41 42 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 61 62 63

List of postcodes with first number 21:

인천광역시

4 districts, 4 communes

계양구 21000

남동구 21500

부평구 21300

연수구 21900

All Postcodes

Complete list of 4 communes with postcode prefix 21

ProvinceDistrictCommunePostcode

연수구 21900

인천광역시 연수구

인천광역시

남동구 21500

인천광역시 남동구

인천광역시

부평구 21300

인천광역시 부평구

인천광역시

계양구 21000

인천광역시 계양구

인천광역시

Found incorrect info for Postcodes with first number 21?