How does Oceanside compare with the rest of California?
Outdoors Verizon 100% (state 64.3%), AT&T 99.7% (state 57.3%), T-Mobile 99.6% (state 51.4%); in a moving car Verizon 98.9% (state 33.6%), AT&T 97.4% (state 36.2%), T-Mobile 86.6% (state 26.8%).
AT&T, T-Mobile and Verizon all report outdoor coverage of between 99.6% and 100% of Oceanside, CA, so no carrier wins on outdoor coverage here.
Carrier-reported coverage from FCC carrier filings as of December 31, 2025, not measured signal. How these figures are read
The towns nearby where one carrier reports the least outdoors: Borrego Springs (T-Mobile 1.5%), Descanso (T-Mobile 58.2%), Jacumba (AT&T 68.4%), Pine Valley (AT&T 78.7%).
Outdoors Verizon 100% (state 64.3%), AT&T 99.7% (state 57.3%), T-Mobile 99.6% (state 51.4%); in a moving car Verizon 98.9% (state 33.6%), AT&T 97.4% (state 36.2%), T-Mobile 86.6% (state 26.8%).
See the statewide California comparison, or coverage in Stockton, Santa Ana, Moreno Valley, Oxnard, Huntington Beach, Ontario, Santa Rosa, Rancho Cucamonga, Garden Grove, Visalia, Pasadena, Ventura.
Cities with figures closest to Oceanside's: Waco, TX, Ontario, CA, Victorville, CA, Fresno, CA, Visalia, CA.