Zip Code 94401 - San Mateo, CA. 94401 is located in the state of California in the San Francisco-Oakland-San Jose metro area.
Definition of participial. : of, relating to, or formed with or from a participle.
1. 1  a participle or participial phrase, often found at the beginning of a sentence, that appears from its position to modify an element of the sentence other than the one it was intended to modify, as plunging in Plunging hundreds of feet into the gorge, we saw Yosemite Falls.