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SIS Bank

Finance / Banks

501 Islington St,
Portsmouth, NH 03801

(603) 430-0042

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About

SIS is a Mutual Savings Bank founded in 1933. In recent years, the bank has demonstrated impressive growth. In January 2013, SIS opened it’s first New Hampshire branch in Portsmouth. In addition to expanding geographically, the bank has been rolling out cutting edge banking technology for consumer and business customers—all while staying true to our customer service roots and our slogan, “The bank that listens.”

Business Hours

Monday 8:30 AM - 5:00 PM

Tuesday 8:30 AM - 5:00 PM

Wednesday 8:30 AM - 5:00 PM

Thursday 8:30 AM - 5:00 PM

Friday 8:30 AM - 5:00 PM

Saturday 8:30 AM - 12:00 PM

Sunday Closed