Library | City of Portsmouth

Abbreviation

PPL

175 Parrott Avenue, Portsmouth NH 03801

(603) 427-1540

Monday – Thursday: 10 AM – 8 PM

Friday – Saturday: 10 AM – 5 PM

Sunday (September - May): 1 PM – 5 PM

Sunday (June - August): CLOSED

(603) 433-0981

Resources

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Library

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department-theme-midnight

YouTube Username

https://youtube.com/portslib

Facebook Url

https://www.facebook.com/pplnh

Instagram User

http://instagram.com/portsmouthpubliclibrary

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Portsmouth Public Library, NH

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Library

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Library Closed July 3rd & 4th, 2026

Read more about Library Closed July 3rd & 4th, 2026

The Library will be closed on July 3rd and 4th, 2026. We will resume normal hours on Monday, July 6th.

View our calendar to see additional holiday closings.

Local History: Rails Around Portsmouth 7/8 @ 6:30pm

Read more about Local History: Rails Around Portsmouth 7/8 @ 6:30pm

In this presentation, we will see historic scenes from around Portsmouth's railroad landscape and on the various railroad lines which entered and exited the city.

Thu Jul 16

Genealogy Workshop: Using Research to Verify a Family Story

6:00 PM - 8:00 PM

Sat Dec 12

Walk with a Doc!

10:00 AM - 10:45 AM

Mon Jul 13

Middle School Book Club Celebration

4:00 PM - 5:00 PM

What is AI?

AI is an acronym for "artificial intelligence". Most currently, AI is used in chatbots and can be used for human-like conversation and to get information quickly. Common examples of AI you might see in your day-to-day life include: digital assistants such as Siri and Alexa; GPS mapping systems; and searching tools such as Google.