858 area code - Get a San Diego, California local phone number

Getting a San Diego business phone number in area code 858 is easy with OpenPhone. You can pick a number, add it to your existing cell phone, and call from anywhere you have a WiFi connection. With a virtual phone system like OpenPhone, you can make and receive calls from a smartphone, tablet, or computer. It’s simple to differentiate personal from customer calls and you don’t need to be in area code 858 to establish a professional presence in the region with customers. There’s no need for extra hardware, a new phone, or a contract.

Pricing for a 858 number starts at just $15 per user per month with OpenPhone.

858 phone number
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Having a local number gives you a leg up on the national competition. You can instantly be part of the community here in California. Many people are more likely to pick up a phone call from an area code they recognize.

You can connect with customers in area code 858’s major city, San Diego, California, with a population of 1,386,932. The area code also covers San Diego and suburbs.

With an increasing demand for new phone numbers, area code 858 is an overlay of area code 619. These area codes cover the San Diego County.

There are lots of area codes in close range, like 442/760 (Oceanside, CA).

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Use local numbers to help your business succeed.

With a local 858 phone number, you can effectively get in front of the right people and establish a foothold in the San Diego, CA area.

Connecting to your customers in
area code 858

Looking to get a lay of the land on the economic landscape of California before you get an area code 858 business phone number? Here are a few key facts to keep in mind:

Area code 858 is in the Pacific Standard Time. In this corner of California, you’ll find the area code’s biggest city, San Diego, in San Diego County.

San Diego County has an unemployment rate of 9.2% and a mean household income of $113,681. The population within San Diego’s city limits dipped slightly by -0.02% from 2019 to 2020.

Many in San Diego have recently started businesses. During the same period, the number of new business applications in San Diego rose a whopping 14%. Their prospects are optimistic since California’s startup survival rate is 81.80%. Sure, many entrepreneurs here are diving into the future of work in new and innovative ways. But there are also big players established in this large city.

San Diego also ranked 25 for the most connected cities in America, showing it's a prime place to build a local presence within.

The top ten employers in San Diego, CA are US Navy, University of California, San Diego, United States Marine CoRPS, Qualcomm, Scripps Health, Sharp Healthcare, San Diego Unified School District, UC San Diego Health, County of San Diego, Kaiser Permanente.

They represent some of the significant sectors of the area. According to census.gov, San Diego’s most powerful industries are:
  • Educational services, and health care and social assistance
  • Professional, scientific, and management, and administrative and waste management services
  • Manufacturing

Connect with your customer base. In area code 858, it’s as easy as starting a free, seven-day trial of OpenPhone. You can choose a 858 phone number instantly, call and text with your new number and confirm that OpenPhone is a great fit for your business.

Try out calling and texting with an area code tied to this flourishing region and confirm OpenPhone is a great fit for your business by starting a free seven-day trial of OpenPhone.

calling and texting with OpenPhone

Whether you're looking for a local San Diego or North American toll-free number,
getting started is simple.

See which specific 858 phone numbers are available and claim your own San Diego, CA number by signing up for a free trial. Here’s how it works: using our service, you can easily set up your local phone number without the need to install any additional hardware. Easily download and install our app, and find the right numbers for your business.

How to get a 858 phone number


Enter your email address or sign in with your Google account.


Then search by city (San Diego, CA) or area code (858) to select a specific local number.


Verify your account via credit card (you won’t be charged until your trial ends, cancel anytime.)


Use the OpenPhone browser app or download the desktop apps or mobile apps.

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Why do businesses sign up for a virtual 858 number with OpenPhone
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Flexible calls from anywhere

OpenPhone lets you get a new business phone number in area code 858. You can even port over your existing number with no service interruptions. Use your number on any cell phone, tablet, or computer using OpenPhone, the #1 rated business phone platform on G2. There’s an app for all your favorite devices so your conversations — and contacts — always stay in one place.

Make and receive calls from across the state or around the world. An OpenPhone business number travels with you wherever you have an internet connection. Best of all, you can use your phone number from anywhere to call anyone in the US or Canada without any long-distance charges. Calls to other countries are just a fraction of what you’d pay with a traditional carrier.

You can also have different numbers for departments, teammates, and locations. If you need a new number, it takes just seconds to activate and assign unique numbers to someone on your team. There are no waiting periods, no trips to the store, and no contracts to sign.

Streamline all your phone communication

OpenPhone’s modern business phone platform comes packed with features that make looking professional effortless. Start by easily adding a phone menu, caller ID, and away voicemail greeting.

Respond to customers easier when you save go-to message templates as snippets. Stop typing the same responses over and over again, and give your customers reliable answers faster.
You can even automatically send out a text message to missed or after-hours calls. There are so many creative ways to use automatic messaging. Harness your newfound powers to nurture leads or promote sales when you can’t answer business calls.
While you’re at it, get your team aligned, too. You can start by working together off a shared number where your team can split responsibility for incoming calls and messages to your business number. That way, no important calls go unanswered and your team stays on the same page.

Flexible calls from anywhere

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Decide which numbers to share with team members. Share the main business number with your entire team or share it with your assistant so after-hours calls get answered. Create departments for small groups. Then everyone can collaborate on any external communication through internal threads. You can even offer direct lines for your employees, too.

Most importantly, your team can quickly catch up on any conversation. Anyone with access to your a shared number inbox can see all voicemails, call history, and text messaging in a single view for every contact.

With your OpenPhone number, you have complete control over your business calls. Know which calls are business and which are personal. Your private number stays private — and when you’re off the clock, you can mute notifications for business calls.

OpenPhone’s flexible suite of features means you’re open for business from any device, anywhere.

Frequently asked questions about local numbers

How do I get a local 858 phone number?
Can you buy a local 858 California phone number?
Can I forward calls from my 858 area code phone number elsewhere?
How many 858 or California phone numbers can I have?
Can I port my existing 858 number to OpenPhone?

Nearby area codes

Just a piece of advice. I used my personal cell number as the company number and I still regret it a decade later (I get so many stupid calls). Don’t do what I did. I wish I had a service like this 10 years ago!

Michael Seibel
CEO at Y Combinator

Join thousands of companies using local phone numbers for
their business

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