The Sacramento area code is 916 — with the 279 overlay, and 530 in the foothills
PPO #122730That's the short answer. The longer one is below: which cities sit inside each prefix, why 279 exists, and where 530 begins. We publish it because those three numbers describe our entire patrol region — and our goal is to make the 916, 279, and 530 footprint the safest, best-protected stretch of Northern California, block by block.
Which area code covers which part of the region
| Area code | History | Primary coverage |
|---|---|---|
| 916 | In service since 1947 | Sacramento, Elk Grove, Citrus Heights, Roseville, Rocklin, Folsom, Rancho Cordova |
| 279 | Overlay activated 2018 | The same geography as 916 — it is an overlay, not a new region |
| 530 | Split from 916 in 1997 | Auburn, Grass Valley, Colfax, Placerville, Woodland, Davis, Yuba City, Chico |
Every city inside each Sacramento-region area code
916 — Sacramento metro
The original Sacramento area code. It covers the core metro on both sides of the American River, plus the south Placer County suburbs. Most Sacramento landlines and long-held mobile numbers are 916.
Cities in this code
279 — Sacramento overlay
279 was added because 916 ran out of available numbers. It sits on top of the exact same footprint, which is why 10-digit dialing became mandatory locally. A 279 number is a Sacramento number.
Cities in this code
530 — Northern California ring
530 wraps around the metro: the Placer and Nevada County foothills, the Sacramento Valley farm towns, and the far north. It is the prefix you see on most Auburn-area and foothill properties we patrol.
Cities in this code
The goal: make 916 / 279 / 530 the region where property crime stops being routine
Most security companies describe themselves by county lines or by however far their cheapest driver is willing to go. We describe ourselves by dialing region because that's how deterrence actually works: patrol density inside one contiguous footprint compounds. An officer who already has three stops on Watt Avenue can add a fourth without adding an hour of windshield time — which is why our per-pass pricing inside the metro stays reasonable while a one-off site an hour outside the region does not.
So we concentrate. Standing posts, marked mobile patrol, and lock-up checks across the 916 and 279 metro core, then out through the 530 foothills where Auburn, Colfax, and Grass Valley properties sit far enough from a sheriff's substation that a marked vehicle at 2 a.m. is the only real deterrent on the street.
Affluence follows safety, not the other way around. Retail corridors that stop losing inventory reinvest. Apartment communities that stop losing catalytic converters keep tenants. HOAs that stop finding needles in the tot lot stop paying for cleanup and start paying for landscaping. That's the version of this region we're building toward — and every contract inside these three prefixes moves it one property closer.
What coverage means in practice
- Metro (916 / 279): supervisor on scene for urgent requests typically within 30–60 minutes; nightly patrol loops available seven days a week.
- Foothills (530): 45–90 minutes depending on elevation and weather; overnight patrol routes built around Highway 49 and I-80 access.
- Every code: guard-card verified, uniformed officers under Licensed California PPO #122730, with a GPS-verified photo report in your inbox every morning.
Find your prefix, then find your street

PPO #122730
Licensed by the California Bureau of Security & Investigative Services (BSIS), Department of Consumer Affairs (DCA). Registered as Summit Force Security Group, Private Security in the State of California.
- PPO #122730California Private Patrol Operator license
- BSIS / DCA LicensedBureau of Security & Investigative Services
- Registered in CaliforniaSummit Force Security Group, Private Security — registered name
- Guard Card VerifiedEvery officer BSIS-registered & background checked
- Insured & BondedGeneral liability coverage on every post
- 24/7 DispatchLive answer, day or night
Questions we get every week
Sacramento area codes — straight answers
What people actually search when they type “Sacramento area code,” plus what it means for getting an officer to your address.
- What is the area code for Sacramento, CA?
- Sacramento uses two area codes: 916, the original code in service since 1947, and 279, an overlay added in 2018 when 916 numbers ran out. Both cover the identical geography, so 10-digit dialing is required for local calls. The surrounding foothill and valley towns — Auburn, Grass Valley, Colfax, Woodland, Davis — use 530.
- Is 279 the same as 916?
- Geographically, yes. 279 is an overlay on the exact 916 footprint, not a separate region. A 279 number is a Sacramento-area number and dials locally the same way. New numbers issued in the metro are frequently 279 simply because 916 inventory is nearly exhausted.
- What area code is Auburn and the foothills?
- 530. It split off from 916 in 1997 and now wraps the metro — Placer and Nevada County foothills, the Sacramento Valley farm towns, and far Northern California. Most Auburn-area properties we patrol carry 530 numbers.
- Do you cover all three area codes?
- Yes. Summit Force Security Group dispatches from Sacramento into the entire 916, 279, and 530 footprint we serve — the metro core, south Placer, the Auburn-area foothills, and the Yolo/Solano edge. Same licensed officers, same GPS-verified morning reports, regardless of which prefix your phone number carries.
- Does calling from a 530 number mean a longer response time?
- It can mean a longer drive, and we tell you the honest number before you sign. Metro posts inside 916/279 typically see supervisor arrival within 30–60 minutes on an urgent request; foothill 530 addresses run 45–90 minutes depending on elevation and weather. We publish the window rather than promising vague 'rapid response.'
- Why does a security company care about area codes?
- Because our goal is regional, not per-contract: make the 916, 279, and 530 footprint a place where theft, vandalism, and encampment pressure are not the cost of doing business. Concentrating licensed patrol density inside one dialing region — rather than spreading thin statewide — is how deterrence actually compounds.
One region, three area codes, one dispatch desk
Tell us the address and the hours you need covered. You'll get a flat hourly or per-pass rate in writing, usually within one business day.
Tell us about your property in Sacramento
Send a few details and a supervisor will walk your site, identify the vulnerable hours, and return a written coverage plan with flat hourly pricing — no obligation.
- Same-day response on urgent coverage requests
- Licensed, guard-card verified, uniformed officers
- GPS-tracked patrol reports delivered every morning
- Short-term, event, and long-term contracts available