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Classifications & Numbers

Pierce County Library System is a:

  • Municipal corporation as cited in RCW 27.12.060 and holds a 5010(c)(3) status as a public charity as described in IRS sections 509(a)(1) and 170(b)(1)(A)(vi).

Federal Employee Identification number (FEIN) sometimes referred to as TIN (Taxpayer
Identification Number)

  • 91-1098071

Unified Business Identifier (UBI) – Washington State

  • 278036416

Dun and Bradstreet number (DUNS number)

  • 786270389