Oldest postal codes

The 20 postal code areas in Kotka-Hamina with the highest average age, and the 20 with the lowest, out of 53 with a published figure.

	Area	Municipality	Postal code	Average age
1	Mäntlahti	Kotka-Hamina	49840	61.0
2	Ala-Pihlaja	Kotka-Hamina	49960	59.0
3	Miehikkälä	Kotka-Hamina	49700	55.0
4	Muurikkala	Kotka-Hamina	49730	55.0
5	Vaalimaa	Kotka-Hamina	49930	55.0
6	Huruksela	Kotka-Hamina	46930	54.0
7	Paijärvi	Kotka-Hamina	49640	54.0
8	Kotka	Kotka-Hamina	48750	53.0
9	Pyhältö	Kotka-Hamina	49660	53.0
10	Ravijoki	Kotka-Hamina	49980	53.0
11	Virolahti	Kotka-Hamina	49900	53.0
12	Kalliokoski	Kotka-Hamina	49750	52.0
13	Kotka	Kotka-Hamina	48100	52.0
14	Kotka	Kotka-Hamina	48930	52.0
15	Reitkalli	Kotka-Hamina	49520	52.0
16	Salo-Miehikkälä	Kotka-Hamina	49770	52.0
17	Hamina	Kotka-Hamina	49400	51.0
18	Kannusjärvi	Kotka-Hamina	49570	51.0
19	Kotka	Kotka-Hamina	48600	51.0
20	Metsäkylä	Kotka-Hamina	49540	51.0

Youngest postal codes

	Area	Municipality	Postal code	Average age
1	Heinlahti	Kotka-Hamina	49200	41.0
2	Kotka	Kotka-Hamina	48310	43.0
3	Kotka	Kotka-Hamina	48230	45.0
4	Kotka	Kotka-Hamina	48710	45.0
5	Kotka	Kotka-Hamina	48800	45.0
6	Kotka	Kotka-Hamina	48810	45.0
7	Hamina	Kotka-Hamina	49420	46.0
8	Kotka	Kotka-Hamina	48130	46.0
9	Kotka	Kotka-Hamina	48200	46.0
10	Kotka	Kotka-Hamina	48300	46.0
11	Kotka	Kotka-Hamina	48350	46.0
12	Kotka	Kotka-Hamina	48410	46.0
13	Kotka	Kotka-Hamina	48700	46.0
14	Kotka	Kotka-Hamina	48720	46.0
15	Kotka	Kotka-Hamina	48900	46.0
16	Tavastila	Kotka-Hamina	49300	47.0
17	Husula	Kotka-Hamina	49510	48.0
18	Kotka	Kotka-Hamina	48400	48.0
19	Kotka	Kotka-Hamina	48770	48.0
20	Neuvoton	Kotka-Hamina	49490	48.0

Oldest postal codes — All of Finland

Places with fewer than 100 residents are excluded: a figure drawn from a handful of people carries more uncertainty than the differences being ranked.