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Holtville, CA Area Codes
Holtville, California (population 5,591) uses area codes 760 and 442.
Carriers with Holtville numbers
5 prefixes are assigned to the Holtville exchange: 0% mobile, 80% VoIP and cable, 20% landline.
| Carrier | Prefixes |
|---|---|
| Onvoy (Sinch) | 2 |
| Commio | 1 |
| AT&T (Pacific Bell) | 1 |
| Bandwidth | 1 |
Area codes used in Holtville
| Area code | Prefixes serving Holtville | Main carriers in this code |
|---|---|---|
| 760 | 4 | Frontier, AT&T (Pacific Bell), Lumen (Level 3) |
| 442 | 1 | AT&T Mobility, T-Mobile, Onvoy (Sinch) |
Holtville phone number prefixes
Numbers starting with these first six digits were originally assigned to the Holtville exchange.
760-319Commio760-356AT&T (Pacific Bell)760-528Bandwidth760-756Onvoy (Sinch)442-345Onvoy (Sinch)
Nearby cities in area code 760
- Oceanside
- Escondido
- Victorville
- Carlsbad
- Hesperia
- Vista
- San Marcos
- Indio
- Apple Valley
- Encinitas
- Palm Desert
- Cathedral City
Questions
- What is the area code for Holtville, CA?
- Holtville uses 2 area codes: 760 and 442. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Holtville in?
- Holtville is in the Pacific time zone.