916 Area Code: Location, Cities, Map & Phone Number Guide

In short, area code 916 is a telephone area code in California that serves Sacramento and its surrounding suburbs. It’s overlaid with area code 279 and covers parts of Sacramento, Placer, El Dorado, Yolo, Sutter, and Solano counties. You’ll need to dial 1 + area code + phone number for all calls, even local ones. Вот и всё—simple, right?

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Origins and Evolution of Area Code 916

It all began in 1947, when area code 916 was one of the original three area codes in California. Back then, it covered a much larger swath of northern California. In 1950, its region was reshaped to focus on the northeast portion of the state, including Sacramento . Over the years, growing demand and population changes required splits.

In 1958, area code 209 was created from part of 916’s territory. Later, on November 1, 1997, a portion of the 916 region—covering areas like Redding, Davis, and Mount Shasta—was reassigned to the new area code 530. Simultaneously, Dixon was moved to 707 .

Then in 2018, faced with running out of phone numbers, the California Public Utilities Commission (CPUC) approved an overlay. Area code 279 was introduced to serve alongside 916 so existing numbers remain unchanged .

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Current Coverage: Which Areas Does 916 Serve?

Today, area codes 916 and 279 jointly cover the Sacramento metropolitan region and nearby areas.

Main Counties

• Sacramento County
• Placer County
• El Dorado County
• Yolo County
• Sutter County (portions)
• Solano County (portions)

Key Cities and Communities

Some of the primary cities within the 916/279 service area include:

• Sacramento (state capital)
• Elk Grove
• Roseville
• Folsom
• Rancho Cordova
• Citrus Heights
• Glendale (Carmichael, Fair Oaks, etc.)
• Lincoln
• Rocklin
• El Dorado Hills
• West Sacramento
• Isleton

Additional Communities

Smaller but notable places include Granite Bay, Loomis, Newcastle, North Highlands, Rio Linda, Orangevale, Vineyard, Wilton, Courtland, Clarksburg, Pleasant Grove, among others .

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Time Zone & Dialing Info

Area codes 916 and 279 lie within the Pacific Time Zone (PT), corresponding to UTC−8 standard time and UTC−7 during Daylight Saving Time (from early March to early November) .

Since the 279 overlay started in March 2018, all calls—local or long-distance—to or from 916/279 numbers require dialing 1 + area code + 7-digit number. Not doing so will result in a recording prompting redial . This requirement doesn’t change call costs; local calls remain local, and dialing doesn’t infer toll charges .

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Boundary and Neighbors

Here’s how the 916/279 region fits among its neighbors:

• North/East: Area code 530
• West: Area code 707
• South/Southwest: Area codes 209 and 925

Population coverage is primarily the core Sacramento metro area, though exact figures vary; one source estimates roughly 1.6 million residents .

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Why It Still Matters (Plus a Scam Note)

Area code 916 still carries prestige—it’s tied to Sacramento’s identity. While the overlay added 279, many locals still hold onto “916 pride” .

A quick heads-up: as of February 2026, residents report scam calls from spoofed local numbers—e.g., 916‑309‑XXXX—so stay alert and don’t answer unknown callers unless needed .

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Visual Reference

While I can’t show the image here, detailed maps of the 916/279 area are available. They typically show the Sacramento metro area spanning parts of six counties, along with overlays and boundaries with 530, 707, etc.

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Quote from an Industry Source

“Overlaying area code 279 over 916 ensured that the region could continue to grow its telephony infrastructure without disrupting existing phone number holders.”
— California Public Utilities Commission (CPUC)

This move maintained continuity and avoided forcing businesses or residents to change their number, while still accommodating demand for new assignments.

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Quick Reference Table

| Aspect | Details |
|—————————|———|
| Timezone | Pacific Time (UTC−8 / UTC−7) |
| Overlay Area Code | 279 (since March 10, 2018) |
| Dialing Format | 1 + area code + number for all calls |
| Counties Covered | Sacramento, Placer, El Dorado, Yolo, Sutter, Solano |
| Neighboring Area Codes | 530, 707, 209, 925 |
| Landmark Cities | Sacramento, Roseville, Folsom, Elk Grove, Rancho Cordova, Citrus Heights |

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Final Thoughts

To sum up, area code 916 is the classic dialing code for Sacramento and nearby communities in Northern California. It’s paired with 279 in an overlay, requiring ten-digit dialing with a “1” prefix. The region boasts a vibrant mix of cities and towns across several counties, all sharing local calling patterns and a bit of local pride.

Whether you’re figuring out which area code to dial, or planning phone-based services there, this guide should clear things up. Happy dialing!

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FAQs

What cities are in the 916 area code?

It includes Sacramento, Elk Grove, Roseville, Folsom, Rancho Cordova, Citrus Heights, Lincoln, Rocklin, El Dorado Hills, West Sacramento, and other nearby communities across Sacramento, Placer, Yolo, El Dorado, Sutter, and Solano counties.

Do I need to dial “1” for local calls in the 916 area code?

Yes. Since the 279 overlay began in 2018, all local calls within 916/279 require dialing 1 + area code + phone number—even if you’re calling nearby.

What time zone does area code 916 use?

Area code 916 (and 279) operates in Pacific Standard Time (UTC−8) and observes Pacific Daylight Time (UTC−7) when applicable.

Which area codes border 916?

To the north and east lies 530, to the west is 707, and to the south/southwest are 209 and 925.

Why doesn’t area code 916 still cover northern California?

A series of splits—first to 209 in 1958 and then 530 in 1997—reduced its coverage to the Sacramento metro and nearby areas.

Is area code 916 toll-free?

No. It’s a standard geographic area code. Calling outside its local region may incur applicable long-distance charges depending on your plan.

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That’s it—everything you need to know about the 916 area code, in a nutshell.