Geumgang-ro, Idong-myeon, Pocheon-si postal codes (115)
On Geumgang-ro in Idong-myeon, Pocheon-si the postal code depends on the building number: numbers 5274–5367 use 11113, numbers 5547–5766 use 11111, numbers 5846–6596-20 use 11110. Data as of August 2026.