To provide caller's position information to be measured by a GPS(global positioning system) and originated, together with a recognition number for specifying the extracted caller to a single or a plurality of information users in a computer network represented by the Internet.

In a caller's position information providing system, 'information providing server 10' has a 'web site W1', a 'storage unit 11', an 'information receiver 12', an 'arithmetic unit 13', and a 'display unit 14'. Caller's position information, originated from an 'caller 30', is stored in the 'storage unit 11' by the 'information receiver 12', retrieved by the 'arithmetic unit 13', and provided to the information user in the 'web site W1' by the 'display unit 14'.