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Hushed lets you add a Union City phone number to your existing phone

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It’s easy to get a secondary phone number that shows you’re calling from a Union City area code

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Choose your phone number

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Pick a flexible phone plan

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Start talking and texting

Union City is home of the 510 area code

More information about Union City

Within area code 510, Union City is situated in the San Francisco Bay Area. This city comes under Alameda County, California, and is close to San Jose, Oakland and San Francisco. It's a small city that is popular for its central location, pleasant weather and cultural venues. Union City offers beautiful parks, trails, shopping centers, a variety of restaurants and much more.

In addition to Union City, Hushed services and includes Richmond, Oakland, San Leandro, San Lorenzo, San Pablo, and Castro Valley.

Places to visit in Union City

Visiting Union City & area?

Once you are connected with your new phone number you may want to check out these places.

  • Chevys Fresh Mex - A lively and family-friendly Mexican restaurant. This eatery is popular for its flavours, quality ingredients, great service and vibrant atmosphere.
  • Backyard Bayou - An authentic Cajun restaurant offering fresh seafood including crab legs, jambalaya and po'boys.
  • Baldie's Cafe - An old-school cafe offering a great variety of sandwiches, burgers and more comfort dishes to all its diners.
  • More dining out in Union City
Things to do in Union City

Must-see spots in Union City & area?

  • Dry Creek Pioneer Regional Park - A picturesque park featuring beautiful gardens, trails, farm animals, a creek and a seasonal barn center.
  • Old Alvarado Park - A great local park known for family outings, exercise, morning and evening walks and kids sports.
  • Alameda Creek Regional Trail - This beautiful nature trail is perfect for walking, biking and jogging. This trail offers beautiful views making it a good place for picnics and small get-togethers.
  • More things to do in Union City

Need a temporary Union City phone number?

phone numbers start at US $2.99

Need prepaid mobile data for Union City?

Find the best data plans with

Union City area code phone numbers starting at US $2.99


Our most flexible plans bundled with local minutes and SMS usage.

Starting at US $2.99

  • Bundled minutes/SMS for local calling and texting*
  • 7, 30, 90, and 365 Day plans available - extend your number at any time!
  • One-time payment. Perfect for any short term or long term use case



For international calling capabilities with your Hushed number.

Starting at US $6.99

  • Call internationally anywhere in the world at great rates!
  • Uses Hushed Credits directly from your account balance
  • International texting capabilities available with US/CAN numbers

Ready to choose your Union City phone number?

Call and text like you’re a Union City local, and keep the number as long as you want.

Looking for a second phone number that’s not within the 510 area code?

Hushed has temporary phone numbers in 300+ area codes. Search other area codes