Belgium uses four digital postal codes. There's too many to list on one page, so choose a letter of the…
9420 Aaigem 8511 Aalbeke 9300 Aalst 3800 Aalst (Limb.) 9880 Aalter 3200 Aarschot 8700 Aarsele 8211 Aartrijke 2630 Aartselaar 4557…
British Antarctic Territory only has one postcode, BIQQ 1ZZ. It's a UK style postcode.
BBND 1ZZ is the only postcode used for the British Indian Ocean Territory. It's a variation of the UK postcode.