The 442 area code covers the same area as 760, including Palm Springs, Vista and 59 more places in California.
Area code 442 is in California, on Pacific Time. In the 442 area, phone numbers are given out most in San Diego County, then Riverside and San Bernardino counties. It has been in service since November 21, 2009. 760 covers the same area, so two neighbours can have different area codes.
- Where
- 7 counties in California, mostly San Diego County, Riverside County and San Bernardino County
- Time zone
- Pacific Time
- In service since
- November 21, 2009
- Shares its area with
- 760 (since 1997)
- Prefixes in use
- 356
- How to dial
- Local calls need 1, then the area code, then the number: 1-442-555-0142.
Find out who called you from a 442 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (442) number is on today, use our free carrier lookup.
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Victorville holds 8% of the phone prefixes in area code 442.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 356 prefixes in use shows where 442 numbers are actually given out.
- Victorville29 prefixes, 8%
- Palm Springs27 prefixes, 8%
- Indio24 prefixes, 7%
- Escondido22 prefixes, 6%
- El Centro21 prefixes, 6%
- Brawley19 prefixes, 5%
- Vista12 prefixes, 3%
- Palm Desert12 prefixes, 3%
Also served: San Marcos, Barstow, Ridgecrest and Ramona and 49 smaller places.
AT&T Mobility holds the most phone number prefixes in area code 442: 57 of 356.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 356 prefixes in use in 442 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| AT&T MobilityMobile network | 57 | 16% |
| T-MobileMobile network | 54 | 15% |
| Fractel | 51 | 14% |
| BandwidthSupplies numbers to VoIP and app-based phone services | 17 | 5% |
| Metro by T-MobileT-Mobile's prepaid brand | 11 | 3% |
| Ton80 Communications | 7 | 2% |
| 33 other carriers | 159 | 45% |
99% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
442 started in 2009 as an overlay on 760, and its ground has not changed since.
2009
442 starts on November 21, 2009, as an overlay on 760: new numbers on the same ground.
A 442 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 442 are 909, 951 and 626.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
California has 40 other area codes.
These are the questions people ask most about area code 442.
Where is area code 442?
442 covers Palm Springs, Vista, Escondido and Victorville and 57 more places in California. In the 442 area, phone numbers are given out most in San Diego County, then Riverside and San Bernardino counties.
What state is area code 442 in?
California. 442 is a California area code on Pacific Time.
What cities use area code 442?
The places holding the most 442 prefixes are Palm Springs, Vista, Escondido, Victorville, El Centro, Encinitas, Indio and Palm Desert, out of 61 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 442?
No single phone company owns 442. NANPA's records show AT&T Mobility holds the most 442 prefixes, 57 of 356, followed by T-Mobile and Fractel. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 442 in?
442 is on Pacific Time.
When did area code 442 start?
442 went into service on November 21, 2009, as an overlay on 760: new numbers for the same area.
Is 442 the same area as 760?
Yes. 760 (since 1997) covers the same ground as 442. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 442 number?
Local calls need 1, then the area code, then the number: 1-442-555-0142.
Is 442 a toll-free number?
No. 442 is a regular area code for Palm Springs and Vista in California, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 442?
The closest are 909/840 (Ontario, California), 951 (Riverside, California), 626 (Alhambra, California) and 714/657 (Anaheim, California), measured between the centres of each area.
Who called me from a 442 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 442 a scam?
442 is a real California area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.