Cheapest International Calls to Colombia from the UK

How to make the cheapest international calls to Colombia from the UK:

1. Dial 0844 904 4504 at the cheap rate of 4p OR Dial 0871 801 2994 at the cheap rate of 4p
2. At the prompt, dial the international phone number you want to call (starting with "00").
3. Your international call's low rate will then be conveniently charged to your phone bill.

How to make the cheapest international calls to Colombia from UK using text credits

1. Text the message SECRET to 80041 (for £3 call credit) or 80550 (for £5 call credit) from your UK mobile.
2. Call 0207 124 6666 or 0800 594 6666 access numbers.
3. Call the international number of Colombia from your chosen phone, at the rate of 1.5p from your landline or at the rate of 8p from your mobile