Area code 279

About area code 279

NANPA lists 279 as an in-service geographic area code for California, first put into service on March 10, 2018. It is an overlay: 279 and 916 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 Sacramento, Sacramento, Folsom, Elk Grove, and Lincoln. By population, its largest named places are Sacramento, Elk Grove, Folsom, Lincoln, and Isleton.

Places served by 279

279 holds 0.67% of the 22,087 central office codes assigned in California, the 33rd most of the state's 41 codes. 5 Census places could be matched to rate centers with 279 exchanges; the most populous are Sacramento (536,000), Elk Grove (183,000), Folsom (88,091), and Lincoln (56,268). For a storefront or service area inside 279, the place pages show which prefixes are rated local there.

Dialing 279 numbers

According to NANPA's dialing-plan data, local calls within 279 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.

Who holds 279 exchanges

25 carriers hold the 148 central office codes assigned in 279. Onvoy, LLC - CA has the most, with 36 (24%). 148 of the codes (100%) 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.

Rate centers and towns in 279

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 279 has codes in 16 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.

Number supply in 279

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). 148 are assigned in 279, 19% of 800. 124 were assigned in 2020 or later.

Using area code 279 for business calls

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in area code 279, 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.