279 area code
Sacramento area, Pacific Time.Area code 279 covers Sacramento, Roseville, Folsom and 11 more places in California, on Pacific Time. 916 covers the same area.
Right now in Sacramento
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Small talk
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Where 279 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 279 has 14. Each one's share is how many 279 numbers start there. Its biggest metro area is Sacramento--Roseville--Folsom, CA.
- Sacramento47%
- Roseville11%
- Folsom11%
- Elk Grove8%
- Fair Oaks (Sacramento)5%
- South Placer4%
- Lincoln3%
- Rio Linda3%
- Michigan Bar2%
- Meadowview2%
Also: Walnut Grove, Courtland, Pleasant Grove, Isleton
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 279 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 279 number to them, since you can't tell a work line from a personal cell.
What applies to 279Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
279 and 916
279 went into service on March 10, 2018. 279 and 916 cover the same area, so new numbers can get either code and neighbors can have different area codes. 279 holds 16% of the area's exchanges; 916 holds the most. Local calls take all 10 digits.
- 1947916 overlay
- 2018279 starts
Source: NANPA area code database
Other California area codes
All California area codes- Stockton209350
- Los Angeles213323738
- Compton310424
- Oakland341510
- Fresno357559
- Santa Rosa369707
- San Jose408669
- San Francisco415628
- Oceanside442760
- Chico530837
- Long Beach562
- San Diego619858
- Alhambra626
- Palo Alto650
- Anaheim657714
- Bakersfield661
- Van Nuys747818
- Santa Barbara805820
- Salinas831
- Ontario840909
- Walnut Creek925
- Irvine949
- Riverside951
Calling a list of 279 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
279 area code FAQ
What area code is 279?
279 is a California area code for Sacramento, Roseville, Folsom, Elk Grove and 10 more places.
What time zone is the 279 area code in?
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer).
Is 916 the same as 279?
Same area, different code. 279 and 916 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 279 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 279 area code start?
On March 10, 2018.
Calling 279 numbers? Reach more of them.
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