Numbers starting with “01” are normal lines, used by homes, businesses, and individuals. These numbers are geographic numbers, meaning, the location of the subscriber may be identified using the number. For example “223” is the area code for Cambridge, and the phone number starting with “01223” means the location of the subscriber is Cambridge.
Ofcom, the UK communications regulator, has capped the maximum rate to call “01” numbers from any landline at 13p a minute. The rate to call “01” numbers from any mobile phone may be anywhere between 3p to 55p a minute. FreedomPop offers VoIP services, meaning the packages offer call time in minutes. The free package offers 200 minutes to any number during the month.