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Interlaken, CA Area Code
Interlaken, California (population 8,191) uses area code 831.
Interlaken has no telephone exchange of its own in NANPA records; it is served by the Watsonville exchange about 4.3 km away.
Carriers with Interlaken numbers
30 prefixes are assigned to the Watsonville exchange: 20% mobile, 40% VoIP and cable, 40% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Pacific Bell) | 8 |
| Onvoy (Sinch) | 4 |
| AT&T Mobility | 3 |
| T-Mobile | 3 |
| Charter Ip Enabled Services | 2 |
| Lumen (Level 3) | 2 |
| Verizon Business (MCImetro) | 2 |
| Fractel | 2 |
Area codes used in Interlaken
| Area code | Prefixes serving Interlaken | Main carriers in this code |
|---|---|---|
| 831 | 30 | AT&T (Pacific Bell), AT&T Mobility, Onvoy (Sinch) |
Interlaken phone number prefixes
Numbers starting with these first six digits were originally assigned to the Watsonville exchange.
831-228Charter Ip Enabled Services831-254AT&T Mobility831-274Lumen (Level 3)831-284AT&T Mobility831-285Bandwidth831-288Charter Ip Enabled Services831-319Verizon Business (MCImetro)831-322Onvoy (Sinch)831-348Fractel831-353Onvoy (Sinch)831-406T-Mobile831-498Ip Horizon831-536Verizon Business (MCImetro)831-539T-Mobile831-587Fractel831-666Onvoy (Sinch)831-707Lumen (Level 3)831-722AT&T (Pacific Bell)831-724AT&T (Pacific Bell)831-726AT&T (Pacific Bell)831-728AT&T (Pacific Bell)831-740AT&T (Teleport)831-750T-Mobile831-761AT&T (Pacific Bell)831-763AT&T (Pacific Bell)831-768AT&T (Pacific Bell)831-786AT&T (Pacific Bell)831-840AT&T Mobility831-851Onvoy (Sinch)831-948Utility Telecom Group
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 Interlaken, CA?
- The area code for Interlaken, California is 831.
- What time zone is Interlaken in?
- Interlaken is in the Pacific time zone.