15. A computing device comprising: one or more processors; and one or more computer readable media comprising computer code components that, responsive to execution by the one or more processors, perform operations comprising: determining a plurality of potential countries of origin of a document by examining one or more factors associated with the document; determining a country of origin of the document by selecting a country from the plurality of potential countries as being the most likely country of origin for the document; using the determined country of origin of the document to search the document to determine a phone number associated with the determined country of origin of the document; marking the phone number in the document; detecting actuation of the marked phone number; determining that the phone number is not associated with any country prefix; determining a country prefix associated with the selected country of origin; appending the phone number, responsive to actuation of the marked phone number, to include the country prefix; and initiating a call via a communication network using the appended phone number.
15. A computing device comprising: one or more processors; and one or more computer readable media comprising computer code components that, responsive to execution by the one or more processors, perform operations comprising: determining a plurality of potential countries of origin of a document by examining one or more factors associated with the document; determining a country of origin of the document by selecting a country from the plurality of potential countries as being the most likely country of origin for the document; using the determined country of origin of the document to search the document to determine a phone number associated with the determined country of origin of the document; marking the phone number in the document; detecting actuation of the marked phone number; determining that the phone number is not associated with any country prefix; determining a country prefix associated with the selected country of origin; appending the phone number, responsive to actuation of the marked phone number, to include the country prefix; and initiating a call via a communication network using the appended phone number. 17. The computing device of claim 15 , wherein the marking comprises associating the phone number with a button.