Postal Code Finder
Registry / Korea (South) / Postal code prefixes / 21 / 21048 /

Postal code 21048 in 계양구, Korea (South)

Postal code 21048 is mapped to 1 locality record in Korea (South) with administrative hierarchy and coordinates.

Verified data profile for Postal code 21048

Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.

1
Records
1
Postal identifiers
100.0%
Geocoded
21048
Example code
Postal code Locality Administrative path Coordinates
21048 계양구 인천광역시 / 계양구 37.5422, 126.721

Related postal lookups

Korea (South)
country
Postal code prefixes
code_index
Prefix 21
code_prefix · 592 records
21044
nearby_postal_code · 1 records
21045
nearby_postal_code · 1 records
21046
nearby_postal_code · 1 records
21047
nearby_postal_code · 1 records
21049
nearby_postal_code · 1 records
21050
nearby_postal_code · 1 records

Postal code range

This code belongs to the 21 prefix range for Korea (South).

View all 21 postal codes

How to validate postal code 21048

Treat 21048 as a text value, not a number. Postal identifiers can contain leading zeroes, spaces or letters in other countries, so applications should validate the country and original string together. For this page, the code is valid when it appears with one of the mapped localities below and the administrative path belongs to Korea (South).

Korea (South) lookup
Open the country-level hierarchy and dataset exports.
Browse all prefixes
Compare this code with neighboring country ranges.
Prefix 21
View related codes in the same prefix range.

Mapped localities

계양구
인천광역시 / 계양구
37.5422, 126.721

Common lookup mistakes

A postal code can map to more than one locality record, and the same locality name can appear in different administrative areas. Always compare the country, postal code, place name and region together before treating a match as final.

Coordinates on this page are useful for map previews and approximate area checks. They should be read as locality or postal-area centroids, not as exact delivery addresses. For bulk validation, download the country dataset and keep this canonical URL as the human-readable reference for the code.

Nearby postal code lookups

These neighboring identifiers help compare adjacent code ranges inside Korea (South). Each link opens a canonical postal-code page with its mapped places and administrative context.

21044
계양구
21045
계양구
21046
계양구
21047
계양구
21049
계양구
21050
계양구
21051
계양구
21052
계양구