For current, annotated federal and state statutory codes, use Westlaw Edge and Lexis Advance. Recall that annotated codes include not only the statutory text, but also citing references and Notes of Decisions (Westlaw Edge) or Case Notes (Lexis Advance).
The full-text of the U.S. Code (unannotated) is also available on:
State statutory codes (unannotated) are also available on the websites of state legislatures, accessible via a Google search.
No matter what strategy you use to find a section, use the table of contents to browse nearby sections
Start with resources selected by editors of the annotated codes.
Use citators such as KeyCite/Citing References on Westlaw Edge or Shepard’s on Lexis Advance. Use the jurisdiction filter and/or the “search within results” feature to narrow your results.
Historical versions of state statutes are available on HeinOnline in the State Statutes: Historical Archive library. Coverage varies by state, but primarily early historical codes. Westlaw & Lexis coverage for historical state statutes varies by state, but generally begins in mid-1980s.
The PLRC has historical state statutes in print and on microform. Ask a reference librarian for assistance.
Created by the Uniform Law Commission (ULC). See https://www.uniformlaws.org for both the text of acts and enactment status in specific jurisdictions.
Uniform Laws Annotated is available on Westlaw Edge. It contains the text of uniform laws, annotations, and information about adoption by states, including citations to state codes.