If you are just spending a few days in each country, and as you stated that it's just for emergency, I'd suggest just buy a sim card in your first destination and roam with it in the others. EU roamimg rates on a card from an EU country is reasonable.
Originally Posted by
rdchen
I'm planning to travel to Italy, UK, and France in June. I have an unlocked quad-band phone, all I need is to have an emergency contact number for others to reach me, no need for data, since I'll travel thru 3 countries, low international roaming charges is preferred. Any suggestion about which SIM card suits my needs the most, or should I just buy new one in each country? Thanks.