According to the ATF database, there are 6 registered FFLs in Whittier, California.
13440 WHITTIER BLVDWHITTIER, CA, 90605
14022 EMORY DRWHITTIER, CA, 90605
15335 DITTMAR DRWHITTIER, CA, 90603
6606 GRETNA AVEWHITTIER, CA, 90606
6542 GREENLEAF AVENUEWHITTIER, CA, 90601
14158 - A LAMBERT RDWHITTIER, CA, 90605