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St. Helena, CA Area Code
St. Helena, California (population 5,194) uses area code 707.
Carriers with St. Helena numbers
12 prefixes are assigned to the St. Helena exchange: 17% mobile, 42% VoIP and cable, 42% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Pacific Bell) | 4 |
| Verizon Business (MCImetro) | 2 |
| Onvoy (Sinch) | 2 |
| AT&T Mobility | 2 |
| AT&T (Teleport) | 1 |
| Tpx Communications | 1 |
Area codes used in St. Helena
| Area code | Prefixes serving St. Helena | Main carriers in this code |
|---|---|---|
| 707 | 12 | AT&T (Pacific Bell), Onvoy (Sinch), AT&T Mobility |
St. Helena phone number prefixes
Numbers starting with these first six digits were originally assigned to the St. Helena exchange.
707-200AT&T (Teleport)707-244Verizon Business (MCImetro)707-286Onvoy (Sinch)707-302Tpx Communications707-345Verizon Business (MCImetro)707-512Onvoy (Sinch)707-804AT&T Mobility707-912AT&T Mobility707-963AT&T (Pacific Bell)707-965AT&T (Pacific Bell)707-967AT&T (Pacific Bell)707-968AT&T (Pacific Bell)
Nearby cities in area code 707
Questions
- What is the area code for St. Helena, CA?
- The area code for St. Helena, California is 707.
- What time zone is St. Helena in?
- St. Helena is in the Pacific time zone.