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Castroville, CA Area Code
Castroville, California (population 6,870) uses area code 831.
Carriers with Castroville numbers
6 prefixes are assigned to the Castroville exchange: 0% mobile, 33% VoIP and cable, 67% landline.
| Carrier | Prefixes |
|---|---|
| Lumen (Level 3) | 2 |
| AT&T (Pacific Bell) | 2 |
| At&T Enterprises | 1 |
| Ip Horizon | 1 |
Area codes used in Castroville
| Area code | Prefixes serving Castroville | Main carriers in this code |
|---|---|---|
| 831 | 6 | AT&T (Pacific Bell), AT&T Mobility, Onvoy (Sinch) |
Castroville phone number prefixes
Numbers starting with these first six digits were originally assigned to the Castroville exchange.
831-307Lumen (Level 3)831-453At&T Enterprises831-632AT&T (Pacific Bell)831-633AT&T (Pacific Bell)831-731Ip Horizon831-741Lumen (Level 3)
Nearby cities in area code 831
- Salinas
- Santa Cruz
- Watsonville
- Hollister
- Seaside
- Monterey
- Soledad
- Marina
- Greenfield
- Pacific Grove
- King City
- Scotts Valley
Questions
- What is the area code for Castroville, CA?
- The area code for Castroville, California is 831.
- What time zone is Castroville in?
- Castroville is in the Pacific time zone.