San Bernardino, California
840 Area Code
Establish a trusted local presence in San Bernardino and the Inland Empire with an 840 area code number. Ideal for businesses that want higher pickup rates and local trust in San Bernardino, Los Angeles and Riverside counties.
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About 840 Area Code
Area code 840 serves San Bernardino and portions of the Inland Empire in Southern California. Introduced on February 23, 2021 as an overlay to the 909 area code, 840 covers major cities including San Bernardino, Ontario, Fontana and Rancho Cucamonga across San Bernardino, southwestern Los Angeles and portions of Riverside counties. The code supports local voice and SMS-capable numbers used by logistics companies, manufacturers, healthcare providers and service businesses operating across this rapidly growing region.
The 840 region is a logistics powerhouse, home to major fulfillment centers from Amazon, UPS and other national carriers. San Bernardino County serves as a critical hub for goods movement between West Coast ports and national distribution networks. Local businesses use 840 numbers for dispatch coordination, delivery notifications, customer support and appointment scheduling. A local area code generates higher answer rates than toll-free alternatives because customers recognize the regional prefix and trust local callers.
FoneSwift lists live 840 inventory and capabilities on this page. Search numbers to see which ones support Voice, SMS and MMS. Area code availability shifts over time. If a local 840 number isn't available immediately, the overlay partner 909 serves the identical geographic footprint and delivers the same local recognition for Inland Empire audiences.
If your business operates in San Bernardino or the broader Inland Empire, display numbers in both local and E.164 formats (e.g., (840) 555-1234 and +1 840 555 1234) and register messaging traffic if you run A2P campaigns. For porting existing numbers, see our porting guide. Most businesses keep their established numbers to maintain customer continuity and brand recognition.
| Country | United States |
| State | California |
| Area code | 840 |
| Primary cities | San Bernardino, Ontario, Fontana, Rancho Cucamonga |
| Counties served | San Bernardino, Los Angeles, Orange, Riverside |
| Timezone | America/Los Angeles (PST) |
| Created | February 23, 2021 |
| International Format | +1 840 XXX XXXX |
| Local Format | (840) XXX-XXXX |
10-digit dialing is required for all calls within and into the 840/909 overlay region. Register A2P messaging for business SMS to comply with US carrier rules (10DLC).
Area code 840 uses Pacific Standard Time (PST, UTC-8) and observes Daylight Saving Time, shifting to Pacific Daylight Time (PDT, UTC-7) from mid-March to early November.
Local numbers are commonly used for higher answer rates and local trust. If 840 inventory is limited, consider the 909 overlay code which serves the identical geographic area and delivers the same regional presence.
Quick Facts about 840 Area Code
Interesting tidbits about this area code 840
Newest California overlay
Area code 840 was introduced in 2021 as the 36th area code in California, making it one of the newest codes serving the state.
Logistics capital
The 840 region is home to some of the largest warehouses in North America, including Amazon facilities exceeding 4 million square feet.
Overlay with 909
840 and 909 serve identical territories. Both codes were implemented to ensure number availability as the Inland Empire continues its rapid growth.
Transportation heritage
San Bernardino became a logistics hub thanks to historic Route 66 and the Southern Pacific Railroad, infrastructure that still supports modern distribution networks.
Manufacturing expansion
Over 2,100 manufacturers operate in San Bernardino County, spanning advanced manufacturing, food production and aerospace sectors.
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How Does Local 840 Phone Numbers Work?
A local business number is a structured telephone identifier that tells networks where to route calls and messages. When you use a 840 number in San Bernardino and California, the digits signal the international gateway, the geographic region, the local exchange and the specific subscriber, so calls reach the right destination quickly and reliably.
The typical parts of a United States local number are:
- Country code (+1): identifies United States for international routing.
- Area code (840): directs the call to the San Bernardino / California region.
- Central office / exchange (eg. 555): narrows the call to a local switching area or rate center.
- Subscriber number (eg. 1234): the unique line assigned to a person, extension, or device.
Example formats:
| International Format (E.164) | +1 840 555 1234 |
| Local Format (National) | (840) 555-1234 |
Quick Dialing Guide
The correct formats to reach 840 numbers locally and globally.
From Landlines
Standard United States FormatUse for domestic long-distance calls within United States.
From Mobile
E.164 InternationalThe universal format. Works on any mobile device, anywhere.
International
From abroadDialing from outside United States (exit code 00 varies by country).
With FoneSwift, your 840 number can be instantly configured through our intuitive dashboard. Connect it to call forwarding rules, AI voice agents, IVR menus, or route calls directly to any device. Enable voice, SMS, and MMS capabilities right from your account, no technical setup required. Your number becomes active immediately after purchase, and you can update routing, business hours, and integrations anytime.
For businesses, local numbers offer clear benefits: higher answer rates, stronger local recognition, and better performance for local campaigns and customer trust. Typical business features include call forwarding, call recording, auto-attendants, voicemail-to-email, and multi-device ringing.
Important operational notes:
- SMS & A2P: If you plan to send application-to-person messages from a 840 number, register your traffic where required and follow carrier rules (10DLC/A2P) to avoid deliverability or throughput issues.
- Number Porting: Bring your existing 840number to FoneSwift seamlessly. Our team handles the entire porting process, simply submit your number details and we'll coordinate with your current provider. Porting typically completes within 5-10 business days, and you'll receive updates at each step. There's no service interruption during the transfer.
- Display & formatting: Always publish numbers in both local and E.164 formats so international and mobile users can easily dial.
Ready to get started? Browse available 840 numbers in the phone numbers section above, you'll see real-time availability and can filter by features like voice, SMS, and MMS. Once you find your perfect number, purchase it in seconds and start making calls immediately. Our team is here to help you choose the right setup for your business needs, whether you're setting up AI receptionists, call forwarding, or SMS campaigns. Start your 14-day free trial today, no credit card required.
How to Get a 840 Phone Number
Buying a local 840 phone number using FoneSwift is easy and takes just a few minutes. Follow these simple steps to get your local 840 phone number and start connecting with customers in United States today.
Create a new account on FoneSwift or sign in to your existing account to get started.
Once logged in, you'll be taken to your FoneSwift dashboard where you can manage all your phone numbers and settings.
Click on Settings in the sidebar, then go to "My Numbers" and click the "Add a Number" button.
Choose United States as your country from the dropdown menu.
Select Local as the type of number, then choose the 840 area code from the available options.
Click the "Search" button to see all available phone numbers with the selected area code.
Browse through the available numbers, select one that fits your needs, click "Buy Number", and confirm your purchase.
Your number is now active! Start making and receiving calls from the FoneSwift Dialer immediately.
You can configure your number to handle calls, forward calls, or even create an AI voice agent to handle the calls for you.
Businesses Using 840 Phone Numbers
San Bernardino and the Inland Empire support logistics, manufacturing, healthcare, education and retail businesses. Local phone numbers are commonly used for customer-facing operations, dispatch coordination and regional outreach.
Logistics & warehousing
Fulfillment centers, 3PLs and freight coordinators use local numbers for driver dispatch, dock scheduling and customer delivery updates. A local area code boosts answer rates for time-sensitive logistics calls.
Manufacturing & industrial
Manufacturers rely on local numbers for supply chain coordination, vendor communication and plant operations. The region hosts advanced manufacturing, food processing and metal fabrication businesses.
Healthcare & telehealth
Hospitals, clinics and telehealth providers use local numbers for appointment reminders, patient follow-ups and consultation scheduling. Local area codes improve patient trust and response rates.
Higher education
Universities and colleges (including Cal State San Bernardino and local community colleges) use local numbers for admissions, campus services and student support hotlines.
Retail & e-commerce support
Retailers and e-commerce operations use local numbers for customer service, order tracking and returns processing. The Inland Empire supports major national retail distribution networks.
Construction & trades
Contractors, electricians and construction firms use local lines for job scheduling, project coordination and client communication across residential and commercial construction sectors.
Why Choose 840 Local Phone Number for Your Business?
Discover the advantages of having a local phone number that builds trust, increases engagement, and drives results.
Powerful Features for Your 840 Local Phone Number
Get the most out of your localphone number with FoneSwift's enterprise-grade features designed to help your business communicate more effectively.
Nearby Area Codes
Explore other area codes in the same region to expand your local presence.
Frequently Asked Questions
What cities use the 840 area code?
When was the 840 area code created?
Is 840 the same as 909?
Can I get SMS-capable numbers in area code 840?
Do I need to dial 10 digits for 840 numbers?
Is 840 a toll-free code?
How do I buy an 840 local phone number?
Can I port my existing 840 number to FoneSwift?
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