Code 4 Free calls to MTN to MTN All sim are Eligible…

Start enjoying unlimited calls
Dail these codes:
*567*3*4#
1.#50 daily
2.#250 weekly

*567*3*5#
1.#40 daily
2.#200 weekly

*567*3*6#
#100 weekly

*567*3*7#
#75 weekly

*567*3*8#
#50 weekly. It works for all tariff .