California Neighborhoods I
- Idyllwild Mountain Park (3)
- Indian Canyons (5)
- Industrial Area West (2)
- Ingleside (5)
- Ingleside Heights (7)
- Ingleside Terrace (2)
- Inner Parkside (5)
- Inner Sunset (16)
- Interland/Univ Research Park (2)
- Iron Triangle (6)
- Irvine Business Complex (68)
- Irvine Spectrum (44)
- Irvine Terrace (1)
- Irvington (9)
- Isla Vista (19)
- Ivey Ranch-Rancho Del Oro (16)
- Iveywood (1)
- Ivy Hill (5)