Area code 442
Where 442 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.
- State
- CA
- In service
- 2009
- Assigned codes
- 356of 800 possible
- Carriers
- 44
Where area code 442 is
Area code 442 is a geographic area code in California, in service since November 21, 2009, according to the North American Numbering Plan Administrator (NANPA). It is an overlay: 442 and 760 cover the same territory, so neighbors on the same street can have different area codes. It is in the Pacific time zone. The places with the most assigned exchanges include Victorville, Palm Springs, Indio, Escondido, and El Centro. By population, its largest named places are Escondido, Victorville, Vista, San Marcos, and Indio.
| Item | Value |
|---|---|
| State | California |
| In service since | November 21, 2009 |
| Assigned by NANPA | July 22, 1999 |
| Overlay | Yes, with 760 |
| Parent area code (NANPA) | 760 |
| Time zone | Pacific |
| Local calls within the code | 1 plus ten digits |
| Assigned central office codes | 356 |
| Rate centers with codes | 78 |
| Carriers holding codes | 44 |
| Pooled codes | 354 |
| Codes assigned since 2020 | 209 |
| Relief planning in progress | No |
Source: NANPA NPA report and utilized central office code file, both dated 10/01/2026.
Cities and towns in area code 442
442 holds 1.6% of the 22,087 central office codes assigned in California, the 29th most of the state's 41 codes. 21 Census places could be matched to rate centers with 442 exchanges; the most populous are Escondido (149,000), Victorville (141,000), Vista (99,322), and San Marcos (96,620). For a storefront or service area inside 442, the place pages show which prefixes are rated local there.
| Place | Population (2024) | Area codes | Exchanges | Carriers |
|---|---|---|---|---|
| Escondido, CA | 148,847 | 442, 760 | 79 | 17 |
| Victorville, CA | 140,721 | 442, 760 | 82 | 21 |
| Vista, CA | 99,322 | 442, 760 | 71 | 18 |
| San Marcos, CA | 96,620 | 442, 760 | 31 | 14 |
| Indio, CA | 94,275 | 442, 760 | 56 | 13 |
| Encinitas, CA | 61,137 | 442, 760 | 38 | 14 |
| Palm Desert, CA | 53,147 | 442, 760 | 41 | 13 |
| Palm Springs, CA | 45,453 | 442, 760 | 93 | 31 |
| El Centro, CA | 44,230 | 442, 760 | 58 | 14 |
| Calexico, CA | 38,744 | 442, 760 | 11 | 8 |
| Ridgecrest, CA | 28,373 | 442, 760 | 19 | 8 |
| Brawley, CA | 28,188 | 442, 760 | 31 | 12 |
| Barstow, CA | 24,897 | 442, 760 | 24 | 14 |
| Imperial, CA | 22,102 | 442, 760 | 7 | 5 |
| Yucca Valley, CA | 21,858 | 442, 760 | 9 | 6 |
Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.
How calls are dialed in 442
According to NANPA's dialing-plan data, local calls within 442 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits. Ten-digit local dialing means the area code is part of how customers save and recognize your number, so print it in full everywhere.
Phone companies in area code 442
44 carriers hold the 356 central office codes assigned in 442. New Cingular Wireless PCS, LLC has the most, with 57 (16%). 354 of the codes (99%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. Numbers can move between carriers through porting, so a code's holder tells you where the block started, not where every number lives now.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| New Cingular Wireless PCS, LLC | 57 | 16% |
| T-mobile USA, INC. | 54 | 15% |
| Fractel, LLC | 51 | 14% |
| Onvoy, LLC - CA | 45 | 13% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 26 | 7.3% |
| Bandwidth.com CLEC, LLC - CA | 17 | 4.8% |
| Onvoy Spectrum, LLC | 8 | 2.2% |
| Metropcs, INC. | 7 | 2.0% |
| Ton80 Communications, LLC | 7 | 2.0% |
| Peerless Network of California, LLC - CA | 6 | 1.7% |
| Commio, LLC | 6 | 1.7% |
| Level 3 Communications, LLC - CA | 5 | 1.4% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Where 442 numbers are rated
NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 442 has codes in 78 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.
| Rate center (NANPA) | Place | Codes |
|---|---|---|
| VICTORVL | Victorville, CA | 29 |
| PALM SPG | Palm Springs, CA | 27 |
| INDIO | Indio, CA | 24 |
| ESCONDIDO | Escondido, CA | 22 |
| EL CENTRO | El Centro, CA | 21 |
| BRAWLEY | Brawley, CA | 19 |
| VTVL HSPR | not matched | 14 |
| VISTA | Vista, CA | 12 |
| PALMDESERT | Palm Desert, CA | 12 |
| OCSD OCSD | not matched | 11 |
| OCSD CRLS | not matched | 11 |
| BARSTOW | Barstow, CA | 8 |
| CALEXICO | Calexico, CA | 7 |
| CALIFORNCY | California City, CA | 7 |
| VTVL APVY | not matched | 7 |
| ENCINITAS | Encinitas, CA | 6 |
| SAN MARCOS | San Marcos, CA | 6 |
| FALLBROOK | not matched | 5 |
| VTVL ADLN | not matched | 5 |
| VALLEY CTR | not matched | 4 |
| DSERTHTSPG | not matched | 4 |
| YUCCA VLY | Yucca Valley, CA | 3 |
| CALIPATRIA | Calipatria, CA | 3 |
| TWNTYNPLMS | not matched | 3 |
| LKISABELLA | not matched | 3 |
Top 25 of 78 rate centers.
442 code assignments over time
An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 356 are assigned in 442, 45% of 800. 209 were assigned in 2020 or later.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 107 | 34% |
| 2020s | 209 | 66% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Getting a 442 number for your business
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in area code 442, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
Frequently asked questions
Where is area code 442?
442 is a geographic area code in California. Places with the most assigned exchanges include Victorville, Palm Springs, Indio, and Escondido.
What time zone is area code 442 in?
NANPA lists 442 in the Pacific time zone.
When did area code 442 go into service?
NANPA records an in-service date of November 21, 2009. The code was assigned on July 22, 1999.
Is 442 an overlay area code?
Yes. It shares its territory with 760.
Can my business get a 442 phone number?
Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 442 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.