Baumholder is area code 06783 within Germany, or +49 6783 internationally.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, and many other countries use different prefixes.)
The Postal code for Baumholder is 55774.
If you want the German postal code it is 55774 The APO zip code is 09034
Munich, Germany, is +49 89.
Hamburg is in German area code 040, which is +49 40 in international format.
That's a number in Germany.
There is no telephone area code 185 in Russia.
In the UK, telephone area code 020 (+44 20 in international format) is London, and there are some numbers beginning with 020 33, but the 33 is the first two digits of an 8-digit local number. In Germany, area code 0203 (+49 203 in international format) is Duisburg. There are many other countries where 02033 or similar could be a valid domestic telephone area code. Telephone country code +20 is Egypt, and +20 3 is the area code for Alexandria.
The country code for Germany is +49. You must also drop the leading '0' from the German domestic telephone number. For example, 089 for Munich becomes +49 89.
To call Germany from another country, dial +49 then the German area code and telephone number. Replace the + with 00 if calling from Europe, 011 if calling from US or Canada, etc.
The country code and area code of Aachen, Germany is 49, (0)241.
The telephone country code for Zimbabwe is +263. The area code for Beitbridge is 0286, or +263 286 in international format.
No, telephone area codes are discrete data.