AreaCodesPro Directory
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Cities Served
ChinoPrimary
San Bernardino220,821 pop
Fontana208,087 pop
Ontario175,223 pop
Rancho Cucamonga173,946 pop
Pomona151,592 pop
Rialto103,799 pop
Chino90,279 pop
Upland78,624 pop
Chino Hills78,229 pop
Map showing 19 locations served.