Pentagon Federal Credit Union is located at Bldg. 609 South Terminal Road Fort Buchanan, PR 00934, , . Pentagon Federal Credit Union can be reached by their main phone number at (787) 783-1620. Alternatively, you can reach Pentagon Federal Credit Union by phone at (787) 304-6161. You can also reach Pentagon Federal Credit Union by phone at (787) 304-6162. Visit the Pentagon Federal Credit Union website by clicking here.