Originally Posted by GUWonder
From a GSM cell phone, you can use +44. However, from a landline in the US calling overseas where the call requires a country code, 011 is generally necessary as a prefix to the country code. There is no + sign on most landlines.

Really? I've been telling my in-laws to dial 044 xxx to call the UK. Would someone like to call the international operator to get the definitive answer