AT&T in San Marcos, California

Updated 2026

There are 2 AT&T locations in San Marcos, California.

About AT&T in San Marcos

AT&T brings wireless plans, phone devices, and internet services directly to San Marcos residents, ensuring locals have access to reliable communication solutions right in their community. With two conveniently located stores, AT&T serves San Marcos shoppers by providing personalized customer support tailored to meet the specific needs of the city's tech-savvy population.

AT&T - San Marcos

133 S Las Posas Rd, San Marcos, CA 92078

442-291-1704

Mon:9:00 am - 9:00 pm , Tue:9:00 am - 9:00 pm , Wed:9:00 am - 9:00 pm , Thu:9:00 am - 9:00 pm , Fri:9:00 am - 9:00 pm , Sat:9:00 am - 8:00 pm , Sun:10:00 am - 7:00 pm

AT&T - San Marcos

344 S Twin Oaks Valley Rd, San Marcos, CA 92078

442-515-3635

AT&T locations & hours near San Marcos

5 miles

AT&T - Vista

347 Vista Village Drive, Vista, CA 92083

760-459-6693

5 miles

AT&T - Vista

1310 E Vista Way, Vista, CA 92084

760-295-5940

5 miles

AT&T - Escondido

1268 Auto Park Way, Escondido, CA 92029

760-459-6683

6 miles

AT&T - Encinitas

1560 Leucadia Blvd Ste D, Encinitas, CA 92024

442-232-4767

6 miles

AT&T - Oceanside

4225 Oceanside Blvd, Oceanside, CA 92056

760-631-5070

7 miles

AT&T - Escondido

1201 E Valley Pkwy, Escondido, CA 92027

760-738-6863

8 miles

AT&T - Oceanside

2530 Vista Way, Oceanside, CA 92054

442-325-3113

9 miles

AT&T - Oceanside

175 Old Grove Rd, Oceanside, CA 92057

760-433-5717

12 miles

AT&T - San Diego

11954 Carmel Mountain Road, San Diego, CA 92128

858-207-1020

13 miles

AT&T - San Diego

3485 Del Mar Heights Rd, San Diego, CA 92130

858-793-4888

15 miles

AT&T - Poway

12218 Poway Rd. Suite 102, Poway, CA 92064

858-513-6269

16 miles

AT&T - San Diego

8225 Mira Mesa Blvd, San Diego, CA 92126

858-207-1022

16 miles

AT&T - Fallbrook

1113 South Mission Road, Fallbrook, CA 92028

760-723-2880

Other Stores in San Marcos

Starbucks 12 7-Eleven 8 CVS 5 McDonald's 3 Dollar Tree 3 Albertsons 2 Verizon Wireless 2 Pizza Hut 1 Walmart 1 ALDI 1 Marshalls 1 Petco 1 Ulta Beauty 1 Ross 1 AutoZone 1 Panera Bread 1 GNC 1 Sephora 1 Best Buy 1

AT&T in San Marcos

There are 2 AT&T locations in San Marcos, California. Each listing includes the store address, phone number, and opening hours. Select a AT&T store in San Marcos for full details, a map, and directions.