Numbers 35:6 in the King James Version
And among the cities which ye shall give unto the Levites there shall be six cities for refuge, which ye shall appoint for the manslayer, that he may flee thither: and to them ye shall add forty and two cities.
Context
5 You shall measure outside of the city for the east side two thousand cubits, and for the south side two thousand cubits, and for the west side two thousand cubits, and for the north side two thousand cubits, the city being in the middle. This shall be the pasture lands of their cities.
6 “The cities which you shall give to the Levites, they shall be the six cities of refuge, which you shall give for the man slayer to flee to. Besides them you shall give forty-two cities.
7 All the cities which you shall give to the Levites shall be forty-eight cities together with their pasture lands.