Claim Your 858 Area Code Virtual Phone Number ASAP!

If you’re trying to grow your business in San Diego, the 858 area code is a wise option. The 858 area code connects your brand with some of the most engaged communities in the city of San Diego. Get your virtual 858 numbers with Dialaxy today!

Sign up Request a Demo

Endorsed by top industry leaders

Trusted by industry experts for excellence and innovation.

What is the 858 Area Code?

The area code 858 is a telephone area code in California serving parts of northern San Diego County. It was created in 1999 to relieve the increased demand for telephone numbers.

The North American Numbering Plan Administration (NANPA) states that area code 858 was established as a split from area code 619 in order to ensure that more people and businesses had a local telephone number available without running out of available numbers in the 619 area code.

The area code 858 consists of various cities like Mira Mesa, La Mesa, Linda Vista, Solana Beach, Chula Vista, El Cajon, Rancho Bernardo, and surrounding areas.

Area code 858 observes Pacific Time with the observance of Daylight Saving Time. Using area code 858 will help you maintain local times in the city of San Diego.

Country	USA
State	California
Major City	San Diego
Time Zone	Pacific Time Zone (UTC – 08:00)
Telephone Number Format	+1 (858) XXX-XXXX
Example of 858 phone number	+1 858-200-2145

How to Get an 858 Area Code Phone Number?

It’s easy to get your 858 phone number with Dialaxy. You don’t have to be based in San Diego to use it; you can be anywhere and still appear local.

Sign up through the Dialaxy website or mobile app.
Log in with your credentials to access your dashboard.
Click the “My Number” option under the “Portal” menu.
Select the “Buy Number” option.
Choose “US” as the country and select the desired 858 area code from the list.
Complete the payment process and provide any necessary documentation if required.

Once done, your new 858 area code USA number is now live and able to be used from any device. Dialaxy’s highly advanced VoIP system with a cloud contact center supports additional phone lines or virtual numbers. This can be used for local and international calling.

How Does an 858 Business Phone Number Work?

The area code 858 is a unique phone number under the North American Numbering Plan (NANP). Therefore, your number integrates with Dialaxy’s cloud contact center system, allowing your team to take calls, texts, and even route calls from anywhere.

Format: +1 (858) XXX-XXXX. Example: +1 858 200 2145.

Dialing an 858 area code number:

+1 represents the United States country code.
858 is the San Diego area code.
XXX (200) is the central code
XXXX (2145) is the specific local phone number.

An 858 area code number will grant you access to advanced features like SMS, call routing, call forwarding, auto-attendants, call analytics, and local number portability.

Who is Doing Business in the 858 Area Code?

Key industries thriving in the 858 area code include:

Biotechnology

San Diego is a prominent life sciences and biotech community. Illumina Inc., located in the 858 area code, utilizes a local 858 phone number to communicate with research partners and healthcare clients.

Technology

Tech firms such as Qualcomm, located right in the center of San Diego, utilize 858 numbers to help manage customer support, internal operations, and product inquiries.

Tourism

With its beaches, food, and culture, San Diego is a great place for visitors. Businesses such as La Jolla Kayak use the 858 area code for taking bookings, answering questions about tours, and providing local insight to travellers.

Education and Research

Universities and research institutes have flourished here. UC San Diego (UCSD) leverages their community and uses 858 area numbers for admissions, financial aid, or other research grants, and connects students and scholars throughout the state.

Healthcare

Health systems such as Scripps Health use numbers from the 858 area code as they inform patients about appointments, follow-ups, and doctor referrals. They can leverage platforms like AI Sales Integration and power dialers, all while maintaining call volume to make patients feel supported.

Telecommunications

Telecom service providers in area code 858 continue to support the growing demand for digital services. They leverage 858 area numbers to support high-speed business connectivity across San Diego County.

Why Choose the 858 Area Code for Your Business?

Establish a Local Presence

Having an area code 858 phone number links your business with the bustling San Diego market, even if you operate from a different location, building trust with local customers.

Improve Customer Trust

Customers are more likely to trust local businesses, and an 858 area code USA number can increase their confidence in your brand. This results in improved conversion rates.

No Extra Equipment Needed

With Dialaxy, your 858 phone number works across all your devices, such as laptops, smartphones, and tablets, eliminating the need for extra hardware or equipment.

Separate Business From Personal

Use your 858 area code USA number solely for business, keeping your number private and maintaining a professional image.

Enhance Customer Service

Dialaxy’s features, such as call forwarding, auto-attendants, and call tracking, improve customer inquiry management and boost overall service quality.

Leverage Communication Analytics

Track and optimize customer interactions using detailed analytics. With a Dialaxy 858 phone number, you can monitor call patterns and response times to enhance your business strategies.

Enjoy 100+ Dialaxy’s features with local phone number

Call, SMS, & Contact in one easy to use app.

Phone Numbers

Expand your reach with Virtual Phone Numbers

International Numbers: Establish a local presence of your business with our international phone numbers .

Toll Free Numbers: Elevate your sales strategy and drive business growth with Toll Free Numbers.

Multiple Phone Numbers: Use multiple phone numbers in one single dashboard.

Global Calling

Connect globally with effortless calls

Extended Reach: Enables businesses to expand their market by reaching international customers.

Flexibility: Allows employees to make international calls from anywhere.

Seamless Communication: Ensures clear and reliable communication with international contacts.

SMS

Enhance communication with SMS capabilities

A2P 10DLC: Register your number in A2P 10DLC to send sms within US and Canada.

Schedule SMS: Schedule SMS as per your customer timezone so they don’t miss an update.

Personalised Messaging: Personalise SMS depending upon your user and its behaviour.

Voicemail

Easily manage messages with Voicemail

Voicemail Recording: Personalized voicemail greetings for different departments

Message Management: Messages are stored in the cloud, allowing for easy access.

Access and Playback: Listen to voicemails from any internet-connected device.

Number Sharing

Enhance collaboration with effortless Number Sharing

Unified communication: With number sharing, multiple devices can use the same phone number.

Convenience: Seamlessly switch between devices without missing calls or texts.

Cost Efficiency: Reduce costs by eliminating the need for multiple phone plans.

Contacts

Effortlessly manage your contacts

Add and delete contact: Add and delete new contacts as the business grows.

Centralized Information: Stores all relevant contact details in one place, making it easy to access and manage.

Improved Organization: Helps organize contacts into groups or categories, enabling better management.

Frequently Asked Questions

Where is the 858 area code located?

The 858 area code is located in Southern California, covering parts of the northern San Diego County region. Key cities within this area code include San Diego, La Jolla, Del Mar, Poway, and Rancho Bernardo.

When was the area code 858 introduced?

The 858 area code was introduced on June 12, 1999, as a split from the 619 area code. This split was necessary to address the growing demand for phone numbers in the region.

Is the 858 area code toll-free?

No, the area code 858 is not a toll-free number. Calls made to or from this area code may incur local or long-distance charges, depending on your phone plan.

Can I choose the 858 area code for my business?

Yes, businesses can easily select an 858 area code USA number to establish a local presence in San Diego’s growing market. VoIP providers like Dialaxy allow you to pick your preferred area code and set up a local business number quickly and efficiently.

Do I need to dial the area code for local calls in the 858 area?

Yes, 10-digit dialing is required for all local calls within the 858 area. This includes the area code followed by the 7-digit subscriber number.

Can I keep my 858 area code California number if I move?

Yes, you can keep your 858 area code California number even if you relocate outside of California, especially if you are using a VoIP service like Dialaxy.

How do I get a phone number with the 858 area code?

You can get an area code 858 phone number through a VoIP provider like Dialaxy. The process involves signing up for an account, selecting the 858 area code from the available list, and completing your registration.

What industries operate in the 858 area code?

The area code 858 covers a region known for its diverse industries. Key sectors include biotechnology, healthcare, education, tourism, and research. The presence of institutions like the University of California, San Diego (UCSD) and leading tech firms makes this area code a strategic choice for businesses looking to expand their reach in Southern California.

What time zone does the 858 area code fall under?

The area code 858 observes Pacific Time Zone (UTC-8), aligning with standard business hours in California. This time zone is crucial for businesses operating in this region as it allows efficient communication with clients and partners on the West Coast.

Phone System Features

Call Features

Message Features

Productivity

Notification Feature

Integrations

International Numbers

Toll-free Numbers

Vanity Phone Number

Multiple Phone Numbers

Business Hours

Voicemail Greetings

Text to Speech

Call Routing

Interactive Voice Response (IVR)

Outbound Calling

Inbound Calling

Global Calling

Call History

Concurrent Calls

Voicemail

Call recording

Call Flow Designer

Call Forwarding

SMS

Frictionless SMS

SMS Filters

MMS (coming soon)

Mute Conversation

SMS Campaigns (coming soon)

Schedule SMS (coming soon)

Schedule MMS (coming soon)

Web Application

Android App

Desktop Agent

Chrome Extension

Number Sharing

Advanced Filtering

Agent Addition

Agent Groups

Unlimited Contacts

Desktop Notification

Mobile Notification

Email Notification

Extension Notification

One-click Setup

CRM Integration

Contact Synchronization

2 way- data Sync.

Other Integrations

Let’s catch up

Integration

Startup

Healthcare

E-Commerce

Travel and Tourism

Sales

Hotels

Franchise

Professional Services

Insurance

Recruiting

Education

Let’s catch up

Integration

Blogs

Compare

Local Phone Number

Virtual Phone Number

About Us

Testimonials

Download Apps

Help Center

Let’s catch up

Integration

Phone Number Checker

Phone Number Validator

Phone Carrier Lookup

Reverse Phone Lookup

Random Phone Number Generator