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First Interstate Bank

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First Interstate Bank

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Straight answers, human relationships, and no nonsense. It’s not a new way to bank, but it is the right way.

First Interstate Bank in Seattle, WA offers a comprehensive suite of personal and business products to take care of your diverse financial needs. Whether you’re a first-time home buyer looking for a mortgage, an established business looking to streamline your payment methods, or someone who is ready to plan your financial future, our local banking experts at the First Interstate Bank Seattle branch will help you reach your goals. First Interstate Bank is a community banking organization headquartered in Billings, Montana. With nearly 300 locations across our footprint, First Interstate is still run on the same principles as when it was founded by Homer Scott, Sr. in Sheridan, Wyoming in 1968 – to take the best possible care of our customers, our employees, and the places we call home.

11/02/2026

🧦🧡 Thank You, Seattle friends! 🧦🧡

Our Socktober drive has officially wrapped up, and we're grateful for the generosity shown by our community. We're still tallying your donations, but in the meantime, thank you for your support of Rainier Valley Food Bank and individuals and families who will be warmer this season. Your kindness will make a difference.

Member FDIC. Equal Housing Lender.

10/30/2026

Witch better have our candy. 🧙‍♀️🎃

Our Prairie City, IA branch stirred up a little Halloween magic as Whitney Leighton, Kesley Auer, and Chrissy Bedner arrived dressed as witches. Whether they were brewing potions or just tackling the day's to-do list, this trio proved that a pointy hat is always in style this time of year.

No black cats, flying monkeys, or mysterious spells were reported. Just a spell-binding costume theme that was wickedly good.

Member FDIC. Equal Housing Lender.

10/30/2026

Some duos are simply iconic. 🎤📄🎃

Our Creston, IA branch chose a dynamic duo theme and delivered twice the costume awesomeness. Linda and Liz took us to Scranton as Dwight and Dave from The Office, while Katie and Maggie stepped into the boots of country music legends Kenny Rogers and Dolly Parton.

Whether you're quoting office memos or country classics, this crew proved that great pairs stand the test of time. Two themes, four costumes, and a whole lot of character made this one a perfect match.

Member FDIC. Equal Housing Lender.

10/30/2026

Who let the dogs out? Actually, we know exactly who. 🐾🎃

Our Fort Collins JFK Branch turned Halloween into a tail-wagging good time with a 101 Dalmatians theme. Brandy, Ellie, and Madi formed the dalmatian squad, while Gage stole the scene as the fabulously infamous Cruella de Vil.

Fortunately, Cruella's fashion ambitions stopped at costumes, and every puppy made it through the day unscathed. We'd call that a pawsitive outcome.

With a theme this spot-on, it's no wonder this crew turned heads.

Member FDIC. Equal Housing Lender.

10/30/2026

"Pour yourself a cup of ambition..." ☕🎃

Our Erie, CO branch clocked in as the unforgettable cast of 9 to 5, bringing a little workplace comedy and a lot of '80s nostalgia to Halloween. James Sites stepped into the role of Mr. Hart, while Emily Evans, Lana Hartman, and Maddie Silva channeled Violet Newstead, Judy Bernly, and Doralee Rhodes.

Fortunately, this crew kept the mischief to costumes only. Nobody was kidnapped, no coffee was tampered with, and all office supplies remained under proper supervision.

As Dolly Parton famously sang, it's all "workin' 9 to 5," but for one day, Halloween got top billing.

Member FDIC. Equal Housing Lender.

10/30/2026

There's a snake in my boot... and a spork in the branch. 🤠🥔🍴🎃

Our Boulder, CO team took Halloween to infinity and beyond with a Toy Story theme featuring Woody, Mr. Potato Head, and everyone's favorite accidental toy, Forky.

Some costume ideas are born from years of planning. Others are thrown together with popsicle sticks and optimism. Either way, this crew proved you've got a friend in them.

Member FDIC. Equal Housing Lender.

10/30/2026

Ready, set, costume. 🏁🎃

Our Hartford, SD branch cruised into Halloween as the Mario Kart gang, proving that some races are about more than crossing the finish line. Whether they came for the bragging rights or the candy, this crew looked ready to leave the competition in their dust.

Fortunately, there were no banana peels in the lobby and no one got hit with a last-minute blue shell on the way to the break room.

Member FDIC. Equal Housing Lender.

10/30/2026

Waka waka waka. 👻🎃

Our Buffalo, WY branch powered up for Halloween with a classic arcade favorite. Josh took on the role of Pac-Man, while Emmie, Keva, Hallie, Lynne, Sam, and Kaitlynn made up the Ghost Gang.

We're all out of Power Pellets, but we've got plenty of candy. Thankfully, this crew spent more time posing for photos than chasing Pac-Man through the branch hallways.

Game over? Not yet. We'd give this theme a high score.

Member FDIC. Equal Housing Lender.

10/30/2026

Turns out emotions make a pretty great costume theme. 😊😢😨🎃

Our Laurel, MT branch stepped into the world of Inside Out, with Emily as Fear, Ryleigh as Riley, Dawn as Joy, and Hannah as Sadness.

From joy to sadness and everything in between, this crew was feeling all the feels. Fortunately, Disgust and Anger must have taken the day off, leaving plenty of room for smiles, laughter, and a little Pixar-inspired nostalgia.

We'd say this theme hit us right in the core memories.

Member FDIC. Equal Housing Lender.

10/30/2026

Neon dolphins, rainbow leopards, and enough bright colors to make a highlighter jealous. 🐬🌈🎃

Our Lakeside, MT branch took a trip back to the glorious world of Lisa Frank, where every folder was a masterpiece, every sticker was treasure, and subtlety was never part of the plan.

This crew understood the assignment: more color, more sparkle, more everything. The result? A Halloween theme that's pure nostalgia for anyone who ever decorated a Trapper Keeper, collected gel pens, or insisted their school supplies reflected their personality.

Let's just say this branch didn't color inside the lines. They replaced the whole crayon box.

Member FDIC. Equal Housing Lender.

10/30/2026

The costumes in Helena Capitol, MT were truly out of this world. 👽🚀🎃

This crew launched Halloween into another galaxy with a space-themed lineup of aliens, astronauts, and celestial characters. Whether they arrived from a distant planet or mission control, they brought enough cosmic energy to put Halloween into orbit.

No telescope required. These costumes were easy to spot from light-years away, and we're pretty sure a few extraterrestrials have already filed applications for branch positions.

Member FDIC. Equal Housing Lender.

10/30/2026

🧦🧡 TODAY IS THE LAST DAY! 🧦🧡

Today's your final opportunity to participate in our Socktober drive benefiting Rainier Valley Food Bank. Drop donations of new socks off at our Seattle branch before the end of the day. Let's finish strong and help keep our neighbors warm this winter. 🧡

Member FDIC. Equal Housing Lender.

10/28/2026

📣 Last Call! Only Three Days Left! 📣

Our Socktober drive wraps up on Friday, Oct. 30. Bring your donation of new socks to our Seattle branch and help Rainier Valley Food Bank serve individuals and families this winter. Every donation helps someone stay warm. 🧦🧡

Member FDIC. Equal Housing Lender.

10/26/2026

🚨 One Week Remaining! 🚨

There's still time to make an impact through our Socktober drive. We're in the final week of collecting donations of new socks for Rainier Valley Food Bank, and every item matters. Drop off donations at our Seattle branch by Friday, Oct. 30. Let's finish strong together. 🧦🧡

Member FDIC. Equal Housing Lender.

10/23/2026

Our Socktober drive is entering the home stretch, and we'd love your help filling our donation bins for Rainier Valley Food Bank. 🧦🧡

As temperatures begin to drop, the need for warm, new socks becomes even more important. Stop by our Seattle branch before Friday, Oct. 30, and help us keep our community warm this winter.

Member FDIC. Equal Housing Lender.

10/21/2026

For someone facing a cold winter, warm socks can make a meaningful difference. 🧦🧡

Our Socktober drive continues through Friday, Oct. 30 and we're collecting donations of new socks at our Seattle branch for Rainier Valley Food Bank. Thank you to everyone who has donated so far. Every item helps.

Member FDIC. Equal Housing Lender.

10/19/2026

🧦❄️ Help Keep Our Neighbors Warm This Winter ❄️🧦

We're proud to launch our Socktober drive in partnership with Rainier Valley Food Bank.

Now through Friday, Oct. 30, we're collecting new socks to help individuals and families prepare for the colder months ahead. Drop off donations at our Seattle branch and help ensure our neighbors have the warmth and comfort they need this winter.

Member FDIC. Equal Housing Lender.

Address

601 Union Street, Suite 3000
Seattle, WA
98101

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Website

https://locations.firstinterstatebank.com/wa/seattle/601-union-st.html?y_source=1_MjA0MTY5NjEtNTU5LWxvY2F0aW9uLndlYnNpdG

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