There are two main emergency numbers in Germany:
Calls to both numbers are free of charge and can be made from a landline, pay phone or a mobile phone, even if your phone is locked. In Germany, calls are answered on average after nine seconds. The operators can usually be expected to speak English as well as German.
112 is a single emergency telephone number that can be used in all EU countries. Depending on the country, it either operates alongside other national emergency numbers or as the main number. You can use 112 in: Austria, Belgium, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal, North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Vatican and the United Kingdom.