628 area code

The 628 area code is a geographic region that covers parts of the San Francisco Bay Area, including the cities of San Francisco, Oakland, and San Jose. It was created in 2015 as an overlay to the preexisting 415 area code, which serves San Francisco and Marin County. This new area code was needed due to the increasing demand for phone numbers in the Bay Area. In this guide, we will dive into all the important information about the 628 area code, including its cities, counties, zip codes, population, geography, climate, tourist attractions, education, healthcare, government, and administration. So, let’s get started!

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City Names in the 628 Area Code

The 628 area code covers parts of four major cities in the San Francisco Bay Area, including:

• San Francisco
• Oakland
• San Jose
• Hayward

These four cities have a combined population of over 2 million people, making the 628 area code one of the most populated regions in California. Let’s take a closer look at each city and what makes them unique.

San Francisco

With a population of approximately 883,000 people, San Francisco is the fourth most populated city in California and the 16th most populated city in the United States. It is well known for its iconic landmarks such as the Golden Gate Bridge, Alcatraz Island, and Fisherman’s Wharf. It is also a cultural and commercial hub of Northern California, with a diverse population and thriving tech industry.

Oakland

Oakland has a population of around 425,000 people and is the largest city in the East Bay region of the San Francisco Bay Area. It is a major transportation and trade center, with the Port of Oakland being the fifth busiest port in the United States. It is also home to several sports teams, including the Oakland Raiders and the Golden State Warriors.

San Jose

San Jose is the largest city in the 628 area code with a population of approximately 1 million people. It is known as the “Capital of Silicon Valley” and is a global center for high technology and innovation. It is home to the headquarters of many tech giants such as Apple, Google, and Adobe. It is also known for its vibrant arts scene, with numerous galleries, theaters, and festivals.

Hayward

With a population of around 160,000 people, Hayward is the smallest city in the 628 area code. It is located in Alameda County and is known for its diverse community and strong economy. It is also home to California State University, East Bay, which has a student population of over 16,000.

Counties in the 628 Area Code

The 628 area code covers parts of five counties in the San Francisco Bay Area, including:

• San Francisco County
• San Mateo County
• Santa Clara County
• Alameda County
• Contra Costa County

These counties are home to a diverse and thriving population, with a mix of urban and suburban areas. Let’s take a closer look at each county and what they have to offer.

San Francisco County

San Francisco County is located in the northern part of the San Francisco Bay Area and is the second smallest county by land area in California. Despite its small size, it is the second most densely populated county in the United States, with a population of around 885,000 people. It is the center of cultural, commercial, and financial activities in Northern California.

San Mateo County

Located just south of San Francisco County, San Mateo County is home to around 766,000 people. It is known for its scenic beauty, with miles of coastline and rolling hills. It is also home to many technology companies, including Oracle and Genentech, giving it the nickname “The Gateway to Silicon Valley.”

Santa Clara County

With a population of over 1.9 million people, Santa Clara County is the most populous county in the 628 area code. It is located at the southern end of the San Francisco Bay Area and is known as the “Capital of Silicon Valley”. It is home to many major tech companies, including Intel, Netflix, and eBay.

Alameda County

Located east of San Francisco County, Alameda County has a population of around 1.7 million people. It is the seventh most populous county in California and is known for its cultural diversity and dynamic economy. It is home to the Port of Oakland, which is a major gateway for trade and commerce in Northern California.

Contra Costa County

Contra Costa County is located northeast of San Francisco County and has a population of approximately 1.1 million people. It is known for its scenic beauty, with the Mount Diablo State Park and the Delta region drawing many tourists each year. It is also home to the thriving city of Walnut Creek, which offers shopping, dining, and entertainment options.

All Cities & Towns in the 628 Area Code

• Alamo
• Berkeley
• Crockett
• Danville
• Diablo
• El Cerrito
• El Sobrante
• Emeryville
• Hayward
• Montara
• Moraga
• Oakland
• Orinda
• Pacifica
• Pinole
• Pittsburg
• Pleasant Hill
• Richmond
• San Francisco
• San Jose
• San Mateo
• South San Francisco
• Sunol
• Union City
• Walnut Creek

This is not a comprehensive list of all the cities and towns in the 628 area code, but it includes some of the major and most populated areas. Each city and town has its unique character and attractions, making the 628 area code a diverse and exciting region.

Map of the 628 Area Code

To give you a better understanding of the geographical boundaries of the 628 area code, here is a map:

The green areas on the map represent the counties in the 628 area code, while the red dots show the major cities and towns.

Population of the 628 Area Code

As of 2021, the estimated population of the 628 area code is over 4.2 million people. This makes it one of the most populous area codes in California and the United States. The largest city within the 628 area code is San Jose, with over 1 million residents, while the smallest city is Hayward, with around 160,000 residents.

Geography and Climate of the 628 Area Code

The geography of the 628 area code is varied, with the region encompassing urban, suburban, and rural areas. The area is bordered by the Pacific Ocean to the west and the San Francisco Bay to the east. In between, there are rolling hills, mountain ranges, and valleys. The climate of the 628 area code is generally mild, with warm summers and cool, wet winters. Temperatures rarely reach extremes, with the average high temperature in the summer being around 70°F and the average low in the winter around 50°F.

Tourist Attractions in the 628 Area Code

The 628 area code is a popular destination for tourists, both domestic and international. Here are some must-see attractions in the region:

Golden Gate Bridge

The Golden Gate Bridge is an iconic landmark and one of the most popular tourist destinations in the 628 area code. It is a suspension bridge that connects San Francisco to Marin County and offers breathtaking views of the city and the bay.

Alcatraz Island

Located in the San Francisco Bay, Alcatraz Island was once a federal prison and is now a National Historic Landmark and popular tourist attraction. Visitors can take a ferry to the island and tour the prison, which housed notorious criminals like Al Capone and Robert Stroud, also known as the “Birdman of Alcatraz”.

Wineries

The 628 area code is home to some of the finest wineries in the world, with the Napa and Sonoma Valleys being just a short drive away. Visitors can enjoy tastings, tours, and beautiful scenery in these renowned wine regions.

Fisherman’s Wharf

Fisherman’s Wharf is a popular tourist destination in San Francisco, known for its seafood restaurants, souvenir shops, and picturesque views of the bay. It is also home to attractions such as Pier 39, which offers shopping and entertainment, and the famous sea lions that sunbathe on the wooden docks.

Theme Parks

The 628 area code is home to several theme parks, including Six Flags Discovery Kingdom, California’s Great America, and Oakland’s Children’s Fairyland, making it a great destination for families with children.

Education and Healthcare in the 628 Area Code

There are numerous educational and healthcare institutions in the 628 area code, including:

Universities and Colleges

• University of San Francisco
• University of California, Berkeley
• San Jose State University
• California State University, East Bay
• Santa Clara University
• Stanford University

Hospitals and Medical Centers

• UCSF Medical Center (San Francisco)
• Stanford Health Care (Palo Alto)
• El Camino Hospital (Mountain View)
• San Jose Regional Medical Center (San Jose)
• Kaiser Permanente Medical Center (Oakland)
• John Muir Medical Center (Walnut Creek)

These are just a few of the many educational and healthcare institutions in the 628 area code, providing residents with access to top-quality education and healthcare services.

Government and Administration in the 628 Area Code

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