301 digs.

301 is an HTTP status code for pages that have moved permanently. It is often used to redirect a client to a new server, or an updated location on the same server.

https://www.computerhope.com/jargon/num/301.htm

The angel number 301 is fondly associated with self-expression. This is a message from the spirit angels encouraging you to be more expressive when the time comes to be.

https://www.sunsigns.org/angel-number-301-meaning/

301 Maryland (DC area) - Southern and Western Area Code

There are tons of USC §301's, but here are some notables.

Title 10-ARMED FORCES

§301. Definitions

https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section301&num=0&edition=prelim

Title 36. PATRIOTIC AND NATIONAL OBSERVANCES, CEREMONIES, AND ORGANIZATIONS

36 U.S. Code § 301 - National anthem

https://www.law.cornell.edu/uscode/text/36/301

Title 26. INTERNAL REVENUE CODE

Code § 301 - Distributions of property

https://www.law.cornell.edu/uscode/text/26/301

TITLE 37. PAY AND ALLOWANCES OF THE UNIFORMED SERVICES

37 U.S.C. § 301 - U.S. Code - Unannotated Title 37. Pay and Allowances of the Uniformed Services § 301. Incentive pay:  hazardous duty

https://codes.findlaw.com/us/title-37-pay-and-allowances-of-the-uniformed-services/37-usc-sect-301.html