• The Europe wide emergency number is 112
• A call to 112 is equivelant to a 999 call in the UK or 911 in North America.
• Emergency calls are free from emergency phones beside motorways and other major roads, but incur a reduced rate charge from all other phones.
• You can also access specific services by dialing the relevant Spanish short numbers, or local telephone number.

National Police (Policía Nacional): cover mainly urban areas across Spain. Their duties include dealing with terrorism, national security, protecting national and international dignitaries and combating crime with a national impact (spread across different regions). 

Civil Guard (Guardia Civil): is a military force that operates mainly in rural areas and is responsible for dealing with robberies, drug offences, murders and fatal traffic accidents. 

Local Police (Policía Municipal): cover towns and cities. In general they deal with traffic control and offences, lost property and crimes such as 
muggings and neighbourhood disputes.