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Greenfield, CA Area Code
Greenfield, California (population 21,138) uses area code 831.
Carriers with Greenfield numbers
7 prefixes are assigned to the Greenfield exchange: 0% mobile, 86% VoIP and cable, 14% landline.
| Carrier | Prefixes |
|---|---|
| Onvoy (Sinch) | 3 |
| Bandwidth | 2 |
| Peerless Network | 1 |
| AT&T (Pacific Bell) | 1 |
Area codes used in Greenfield
| Area code | Prefixes serving Greenfield | Main carriers in this code |
|---|---|---|
| 831 | 7 | AT&T (Pacific Bell), AT&T Mobility, Onvoy (Sinch) |
Greenfield phone number prefixes
Numbers starting with these first six digits were originally assigned to the Greenfield exchange.
831-231Onvoy (Sinch)831-286Onvoy (Sinch)831-304Peerless Network831-388Onvoy (Sinch)831-613Bandwidth831-674AT&T (Pacific Bell)831-856Bandwidth
Nearby cities in area code 831
- Salinas
- Santa Cruz
- Watsonville
- Hollister
- Seaside
- Monterey
- Soledad
- Marina
- Pacific Grove
- King City
- Scotts Valley
- Rio del Mar
Questions
- What is the area code for Greenfield, CA?
- The area code for Greenfield, California is 831.
- What time zone is Greenfield in?
- Greenfield is in the Pacific time zone.