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Natrona County Library

Physical Address:

307 E. 2nd St.

Casper, WY 82601

Mailing Address:

Same as above

Phone Number:


Fax Number:




Business Hours:

School year hours

Monday - Thursday

9:00 am - 7:00 pm

Friday - Saturday

9:00 am - 5:00 pm


1:00 pm - 5:00 pm


Physical and digital materials for check out, computer and WiFi access, informational and craft programs for various ages, technology classes, one-on-one technology assistance

Eligibility Requirements:

Library cards are available to all Natrona County residents with photo ID and proof of Natrona County residency. Program attendance does not require a library card, although some do require preregistration.



Service Area:

Natrona County via a main library in Casper, branch library in Edgerton, and a Bookmobile

How to Apply:

Visit any library location to sign up for a library card.

Additional Information:

Business hours are reduced during the summer

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