When someone asks for the signs phone number...

Gives it to the person who asks and randomly plans a future together:
Taurus, Virgo, Libra, Aquarius

Thinks they're creepy stalkers and doesn't pay any attention to them:
Gemini, Leo, Sagittarius, Pisces

Gives a fake number and acts like nothing happened:
Aries, Cancer, Scorpio, Capricorn