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Los Altos, CA Area Code
Los Altos, California (population 30,965) uses area code 650.
Carriers with Los Altos numbers
28 prefixes are assigned to the Los Altos exchange: 18% mobile, 39% VoIP and cable, 43% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Pacific Bell) | 6 |
| Onvoy (Sinch) | 4 |
| Verizon Business (MCImetro) | 3 |
| AT&T Mobility | 3 |
| Tpx Communications | 2 |
| T-Mobile | 2 |
| AT&T (Teleport) | 1 |
| Bandwidth | 1 |
Area codes used in Los Altos
| Area code | Prefixes serving Los Altos | Main carriers in this code |
|---|---|---|
| 650 | 28 | AT&T (Pacific Bell), AT&T Mobility, T-Mobile |
Los Altos phone number prefixes
Numbers starting with these first six digits were originally assigned to the Los Altos exchange.
650-209Tpx Communications650-229Verizon Business (MCImetro)650-305T-Mobile650-383AT&T (Teleport)650-397Bandwidth650-405AT&T Mobility650-469Verizon Business (MCImetro)650-471Tpx Communications650-472Lumen (Level 3)650-492AT&T Mobility650-518Metropcs650-559AT&T (Pacific Bell)650-668Fractel650-680T-Mobile650-768Paetec Itel650-770Onvoy (Sinch)650-774Onvoy (Sinch)650-782Ton80 Communications650-823AT&T Mobility650-887Onvoy (Sinch)650-900Onvoy (Sinch)650-917AT&T (Pacific Bell)650-935Verizon Business (MCImetro)650-941AT&T (Pacific Bell)650-946Comcast (Xfinity)650-947AT&T (Pacific Bell)650-948AT&T (Pacific Bell)650-949AT&T (Pacific Bell)
Nearby cities in area code 650
- San Mateo
- Daly City
- Mountain View
- Redwood City
- Palo Alto
- South San Francisco
- Newark
- San Bruno
- Pacifica
- Menlo Park
- Foster City
- Burlingame
Questions
- What is the area code for Los Altos, CA?
- The area code for Los Altos, California is 650.
- What time zone is Los Altos in?
- Los Altos is in the Pacific time zone.