Discover unbeatable AT&T wireless coverage in Altadena, San Diego, where you can enjoy lightning-fast speeds and reliable connectivity. With average download speeds of 208.1 Mbps and upload speeds of 17.3 Mbps, staying connected has never been easier. Plus, with 97.2% 4G/5G coverage and a low latency of 26 ms, you’ll experience smooth streaming, quick downloads, and seamless calls—making Altadena the perfect spot for all your wireless needs.
We use FCC data on AT&T coverage in Altadena, San Diego plus crowdsourced insights for accuracy.AT&T Network Metrics in Altadena, San Diego CA 92104
ATT in San Diego, 92104
Download: 239.82 Mbps
Upload: 25.93 Mbps
Latency: 27 ms
Coverage:
Darkstar in San Diego, 92104
Download: 239.82 Mbps
Upload: 25.93 Mbps
Latency: 27 ms
Coverage:
See a quick comparison of AT&T to the other carriers below or do an in-depth comparison of all mobile carriers in Altadena, San Diego CA 92104
AT&T Coverage Map & Stores in Altadena, San Diego CA 92104
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Want the full picture? Start with our Altadena, San Diego coverage guide, or jump straight to how T-Mobile, Verizon, and AT&T perform. You can also check the best plans overall or zoom in on Verizon, AT&T, and overall coverage in the 92104 ZIP. Or skip straight to our verdict: Which carrier is best in San Diego?
List of T-Mobile, US Mobile and other T-Mobile MVNOS and their plans
| Carrier Name | Premium Unlimited | Basic Unlimited | Rating | |
| Metro by T-Mobile | $60 | $50 | 3.3 ⭐ | |
| Mint Mobile | $40 | $30 | 4.7 ⭐ | |
| Simple Mobile | $60 | $50 | 2.1 ⭐ | |
| Ultra Mobile | $59 | $49 | 3.2 ⭐ | |
| US Mobile | $45 | $35 | 4.6 ⭐ | |
| Google Fi | $65 | $50 | 3.6 ⭐ | |
| Straight Talk | $65 | $50 | 1.3 ⭐ | |
| Republic Wireless | $60 | $50 | 2.7 ⭐ | |
| Ting Mobile | $55 | $45 | 3.9 ⭐ | |
| Consumer Cellular | $55 | $50 | 3.5 ⭐ | |
| Red Pocket | $50 | $40 | 3.2 ⭐ | |
| FreedomPop | $55 | $45 | 2.2 ⭐ | |
| Gen Mobile | $40 | $30 | 2.3 ⭐ | |
| Boost Mobile | $60 | $50 | 1.3 ⭐ | |
| Walmart Family Mobile | $49.88 | $39.88 | 2.1 ⭐ | |
| Net10 Wireless | $65 | $50 | 1.3 ⭐ | |
| TracFone | $60 | $40 | 1.4 ⭐ | |
| Tello | $39 | $29 | 4.6 ⭐ | |
| UNREAL Mobile | $50 | $40 | 2.3 ⭐ | |
| Wing Alpha | $55 | $45 | 3.8 ⭐ | |
| Kajeet | $50 | $40 | N/A ⭐ | |
| Best Cellular | $60 | $50 | 2.9 ⭐ | |
| FreeUP Mobile | $55 | $45 | 2.8 ⭐ | |
| TextNow | $39.99 | $29.99 | 3.7 ⭐ | |
| Patriot Mobile | $65 | $55 | 3.4 ⭐ | |
| Lycamobile | $50 | $30 | 2.9 ⭐ | |
| SpeedTalk Mobile | $35 | $30 | 3.0 ⭐ | |
| GoSmart Mobile | $55 | $50 | 2.2 ⭐ | |
| Hello Mobile | $40 | $25 | 1.2 ⭐ | |
| Good2Go Mobile | $55 | $45 | 2.8 ⭐ | |
| EasyGO | $55 | $45 | 2.0 ⭐ |
Verizon vs AT&T vs T-Mobile in Altadena, San Diego CA 92104
Verizon
Coverage: 98.80%
Download: 300.0mbps
Upload: 24.0mbps
Ping: Unavailable
Jitter: Unavailable
Verizon coverage in 92104 >
T‑Mobile
Coverage: 97.62%
Download: 313.0mbps
Upload: 35.0mbps
Ping: Unavailable
Jitter: Unavailable
T‑Mobile coverage in 92104 >
AT&T
Coverage: 98.37%
Download: 239.8mbps
Upload: 25.9mbps
Ping: Unavailable
Jitter: Unavailable
AT&T coverage in 92104 >
US Mobile networks 😉
Warp
Coverage: 98.80%
Download: 300.0mbps
Upload: 24.0mbps
Ping: Unavailable
Jitter: Unavailable
LightSpeed
Coverage: 97.62%
Download: 313.0mbps
Upload: 35.0mbps
Ping: Unavailable
Jitter: Unavailable
Dark Star
Coverage: 98.37%
Download: 239.8mbps
Upload: 25.9mbps
Ping: Unavailable
Jitter: Unavailable
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