Regarding trip possibilities throughout Nort Corea: they are very limited. Travelling outside capital is possible with consent of the respective authorities only, and to such places, where the access for foreigners is permitted. Nevertheless, there is valid one condition: you are obliged to secure your own means of transport, such as rent a car with a driver.
The payments and accounts are being effected mostly in EUR, USD, and CNY or JPY are accepted in shops as well.
Important Phone Numbers:
Police: 456 1635, 456 1851 or 456 0334
Firemen: 8119, 3119, 326 0319 or 623 2043
Information and warnings on travelling abroad is to be found HERE.