At first glance, “number” is considered as a very simple grammatical category. However, in fact, it is a complex matter in languages and causes the varieties in world languages. The present survey aims at studying the plurality and number in language varieties of some cities in Kerman province based on typological approach. The survey’s corpus is extracted from Iran Linguistic Atlas’s database (ILA) a project in Research Center for Cultural Heritage and Tourism. According to the results in present study, the value of number system in the studied language varieties is just singular and plural. The singular nouns are encoding without marker and the plural nouns are marked. The strategy for plurality in the studied language varieties is morphology, which is the most common one in the world languages.