intrastate

American  

[in-truh-steyt] / ˌɪn trəˈsteɪt /

adjective

1. existing or occurring within the boundaries of a state, especially of the United States.

   intrastate commerce.

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intrastate British  

/ ˌɪntrəˈsteɪt /

adjective

1. of, relating to, or confined within a single state, esp a state of the US

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Etymology

Origin of intrastate

An Americanism dating back to 1900–05; intra- + state

Compare meaning

How does intrastate compare to similar and commonly confused words? Explore the most common comparisons:

• interstate vs. intrastate

Example Sentences

The consent decree vested oversight of the pipelines in the state, on grounds that the lines are intrastate facilities and therefore not subject to federal regulation.

From Los Angeles Times • Apr. 21, 2026

In February, the Federal Communications Commission published a proposed rule that, if finalized, would cap the cost of intrastate calls to and from people in jails and prisons.

From Seattle Times • Mar. 8, 2023

Inspired by California’s now-defunct Pacific Southwest Airlines, which pioneered intrastate discount air travel, Southwest started in 1967 as a way to ferry passengers between Texas cities in an era before deregulation.

From New York Times • Dec. 29, 2022

Jared Walczak, Tax Foundation vice president of state projects, chalked up the tax-cutting fervor to a perfect storm of pandemic revenue growth, high inflation, greater worker mobility and increased intrastate competition for employers and employees.

From Washington Times • Dec. 29, 2022

In the latter case the intrastate railway involved was property of the State.

From The Constitution of the United States of America: Analysis and Interpretation Annotations of Cases Decided by the Supreme Court of the United States to June 30, 1952 by Corwin, Edward Samuel