San Marcos has 2 residential ZIP codes and 1 campus ZIP. North of SR 78 you find older neighborhoods, Palomar College and Twin Oaks Valley. South of it are newer master-planned areas, Cal State San Marcos and Lake San Marcos.
92069Richland and Twin Oaks ValleyRichland, Twin Oaks Valley, Old Creek Ranch and the Palomar College area.View area 92078San Elijo Hills and Lake San MarcosSan Elijo Hills, Discovery Hills, Santa Fe Hills, Lake San Marcos and North City.View area 92096Cal State San Marcos CampusThe Cal State San Marcos campus ZIP code, with tips for students living on and off campus.View area
Every Service, Every ZIP Code
Every treatment we offer, from K9 to tenting, is available at each part of San Marcos. For method details, open our San Marcos treatment options.
| ZIP code | Part of San Marcos | Neighborhoods | About |
|---|---|---|---|
| 92069 | North, mostly above SR 78 | Richland, Twin Oaks Valley, Old Creek Ranch, the Palomar College area | About 49,000 residents |
| 92078 | South | San Elijo Hills, Discovery Hills, Santa Fe Hills, Lake San Marcos, the North City area | About 52,000 residents |
| 92096 | Campus | Cal State San Marcos | Campus ZIP code |
Population and housing figures are rounded Census estimates from unitedstateszipcodes.org.
When you contact us: Bed Bug Control CA is a licensed California bed bug service. Our team sets a visit time with you in San Marcos. The written quote comes first, and treatment follows on your go-ahead.