Region I Location

Region I Office Building
Address: U.S. NRC Region I
475 Allendale Rd., Suite 102
King of Prussia, PA 19406-1415
Phone: 610-337-5000
Toll Free: 1-800-432-1156
7:30 am to 4:15 pm (ET),
Monday through Friday
TDD: 301-415-5575
TDD: 301-415-5575
E-mail: See our Contact a Public Affairs Officer page and select Philadelphia, PA (RegI)

For information regarding specific oversight responsibilities, see Region I Jurisdiction.

Directions to the Region I office from the following locations:

From the Philadephia Airport

  1. Follow signs to I-95 South via the ramp on the left toward I-476/Delaware
  2. Merge onto I-476 N via EXIT 7 toward Plymouth Meeting
  3. Merge onto I-76 W via EXIT 16B toward Valley Forge
  4. Use the right 2 lanes to take exit 327-328B-A for US-202 N toward King of Prussia
  5. Follow US-202 N/W Dekalb Pike and turn left onto Allendale Rd to your destination

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From the Schuylkill Expressway (Route 76)

  1. Use the right 2 lanes to take exit 327-328B-A for US-202 N toward King of Prussia
  2. Follow US-202 N/W Dekalb Pike and turn left onto Allendale Rd to your destination

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From the Pennsylvania Turnpike

  1. Take exit 327 for North Gulph Rd toward Valley Forge/Village Drive
  2. Turn right onto N. Gulph Rd
  3. Turn right onto 1st Ave
  4. Turn right onto Allendale Rd to your destination

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Page Last Reviewed/Updated Monday, June 27, 2022