Area code 415
Get a local California phone number
Looking to expand into California? Start by getting a local phone number in the 415 area code from Sideline. The Sideline app conveniently adds a second number to your phone, and our patented technology provides reliable, carrier-level call quality and texting.
Why choose Sideline for your 415 phone number?
Establish a local presence quickly and easily
There’s no need for a second phone when you’ve got Sideline. Just download the app to add a second number to the phone you already have, and connect with the local community.
Keep your communication separate and organized
Sideline helps you keep work separate from your personal life with a dedicated second number, a custom voicemail, personalized ringtones, and a Sideline-specific contacts list.
Identify callers and reduce spam
You’ll always know who’s calling with Sideline’s advanced Caller ID, and Spam Filtering automatically detects spam calls and sends them straight to voicemail for your review.
Access your second number from any device
Whether you’re on the go or working from home, your Sideline number is always there for you. Use the mobile app on your phone and tablet, or access Sideline on the web.
How do I get a 415 phone number with Sideline?
- Download the Sideline app
- Choose a local number
- Select a monthly or yearly plan*
- Start sharing your new phone number!
Sideline is more than just a second number
Superior Call Quality
Sideline uses your carrier’s network for top-tier call quality.
No WiFi Needed
Unlike VoIP services, Sideline gives you the freedom to leave your WiFi network.
Avoid Spam
We detect spam calls, telemarketers, and potential fraud so you can easily avoid them.
Auto-Reply
Send an automated text reply to any missed calls or messages.
Separate Voicemail
Record your Sideline greeting so people can leave a message after the beep.
Unlimited Messaging
Send unlimited SMS, MMS, and group messages.
Number Porting
Already have a second number? Bring it to Sideline from another device or landline.
Ring & Text Tones
Differentiate between numbers with unique ring and text tones.
About the 415 Area Code
- The 415 area code is located in California, U.S., specifically the San Francisco Bay Area.
- It covers cities such as San Francisco, Oakland, and San Rafael.
- 415 is bordered by the 510 area code to the east, 650 to the south, and 707 to the north.
- This area code is known for its iconic landmarks, including the Golden Gate Bridge and Alcatraz Island.
- It's home to many major technology companies, such as Salesforce, Twitter, and Uber.
- The San Francisco Bay Area has served a highly diverse population, with a mix of different ethnicities and cultures.
- 415 has a vibrant arts and music scene, with numerous theaters, galleries, and music venues.
- It's famous for its cuisine, particularly its seafood and farm-to-table restaurants.
- 415 has a mild climate, with cool summers and mild winters, making it attractive for tourists and residents alike.


