Yes, Tesla's main vehicle factory is in Fremont, in the former NUMMI plant where GM and Toyota once made cars. This is where most Tesla vehicles are manufactured.

Is Fremont part of Silicon Valley?

Fremont is on the edge of Silicon Valley, in the East Bay. It's more manufacturing-focused than the Peninsula but shares the tech economy.

What timezone is Fremont?

Fremont operates on Pacific Time (PT), aligned with the Bay Area and California.

Is Fremont cheaper than San Francisco?

Fremont is less expensive than San Francisco or Palo Alto but still costly by national standards. It offers Bay Area access at somewhat lower prices.

Fremont Phone Numbers

Get a Fremont, CA Phone Number

Fremont is Silicon Valley's manufacturing hub, home to Tesla's main factory and a legacy of tech manufacturing. Where GM and Toyota once built cars, Tesla now produces electric vehicles. Phone2 connects you to the East Bay's tech manufacturing economy.

Area Code

510

State

Population

230,000

Timezone

Pacific Time (PT)

Last updated: November 28, 2025

Fremont, CA

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Business in Fremont

Tesla's Fremont factory is the anchor, producing most of the company's vehicles. The former NUMMI plant's transformation symbolizes Silicon Valley manufacturing evolution. Western Digital, Lam Research, and other tech companies maintain operations here. Fremont offers Bay Area access with lower costs than the Peninsula.

Why Choose Phone2 for Fremont?

A 510 number covers Fremont and the East Bay, Silicon Valley's manufacturing side. Whether serving Tesla suppliers, tech manufacturing, or local businesses, Phone2's local numbers establish East Bay presence.

Key Industries in Fremont

Electric Vehicle Manufacturing

Tesla's Fremont factory produces Model S, 3, X, and Y vehicles. The facility employs over 10,000 people and has attracted EV supply chain companies.

Tech & Semiconductors

Lam Research, Western Digital, and other tech companies operate here. Semiconductor equipment, storage, and tech manufacturing cluster in Fremont.

Healthcare

Washington Hospital and medical facilities serve the population. Healthcare employment has grown with the city's population.

Customer Stories

What our users are saying

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From signup to first client call took 10 minutes. I compared 5 services – Phone2 was the best value by far. Easy choice.

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IT Consultant, Tech Solutions

Frequently Asked Questions about Fremont

Fremont uses the 510 area code, shared with Oakland, Berkeley, and the East Bay.

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