Codes for Aerospace Defense Command radar stations in the United States
SAGE radar stations were grouped by Air Defense Sectors (Air Divisions after 1966). The SAGE System networked the radar stations in over 20 of the sectors using AN/FSQ-7 centrals in Direction Centers.
ADC radar stations outside the United States

NORAD IDs

Joint Surveillance System IDs

FAA Special Use Airspace

Prohibited Areas

Restricted Areas

Sources

Joint Surveillance System - Wikipedia
Lashup Radar Network - Wikipedia
NADRM Online Air Defense Radar Museum
Semi-Automatic Ground Environment - Wikipedia