Here is a table containing Amber localities, (with there Geological Age) for the World, (when I say Amber I mean it in the context that in some of the younger aged localities, all the Amber is in fact Copal, and some other localities some sites may have Amber and the others have Copal):

Geological Age
Geographic Location
Holocene Epoch,
(0 - 10 000 Years Old)
Angola, Australia - [S] Coast, Congo, Kenya
Madagascar, Mozambique, New Zealand, Sierra Leone.
Pleistocene Epoch,
(10 000 - 1 600 000 Years Old)
Israel - Tel Aviv, Japan - Mizunami,
New Zealand, Tanzania, Zanzibar.
Pliocene Epoch,
(1 600 000 - 5 000 000 Years Old)
Australia - Victoria, Indonesia - Java,
Mexico - Chiapas, Philippines - Luzon.
Miocene Epoch,
(5 000 000 - 24 000 000 Years Old)
Brazil - Para, Dominican Republic, Germany - Bitterfield,
Mexico - Chiapas, New Zealand - Auckland Province
Romania - Colti - Carpathian Mountains
Borneo - Sarawak, Sicily, Sumatra.
Oligocene Epoch,
(24 000 000 - 38 000 000 Years Old)
Argentina - Patagonica Formation, Mexico - Chiapas,
Poland - Baltic, Russia - Baltic, Sweden - Baltic,
United Kingdom - Baltic.
Eocene Epoch,
(38 000 000 - 54 000 000 Years Old)
Nigeria, Poland - Baltic, Russia - Baltic,
Sweden - Baltic, United Kingdom - East Anglia,
USA - Arkansas/California/Washington.
Paleocene Epoch,
(54 000 000 - 65 000 000 Years Old)
United Kingdom - London Clay Formation,
Russia - Sakhalin Island.
Cretaceous Period,
(65 000 000 - 144 000 000 Years Old)
Austria - Vienna, Brazil - Bahia,
Burma, Canada - BC/[E] Coast/
Manitoba (Cedar Lake), Greenland - Hare Island, Hungary, Israel,
Japan - Kuji/Choshi, Lebanon,
Russia - Taimyr, Switzerland,
United Kingdom - Isle of Wight/Hastings,
USA - New Jersey and some other states.
Jurassic Period,
(144 000 000 - 195 000 000 Years Old)
Kazakhstan - Chimkent.
Permian Period
(225 000 000 - 280 000 000 Years Old)
Russia - Chekarda River, Ural Mountains.
Carboniferous Period,
(280 000 000 - 345 000 000 Years Old)
United Kingdom - Northumberland,
USA - Upper Mississippi Valley/Montana.