I've been hearing about club level players being class A or B. What I'm curious to know is what rating scope enters into which class?

National US Amateur Classes

• National Class A (USCF 1800- 1999)
  top amateur class
• National Class B (USCF 1600-1799)
  above average tournament player
• National Class C (USCF 1400-1599)
  average tournament player
• National Class D (USCF 1200-1399)
  a strong social player
• National Class E (USCF 1000-1199)
  social/scholastic players
• National Class F (USCF 800-999)
  novice/scholastic players
• National Class G (USCF 600-799)
  beginner II/scholastic players
• National Class H (USCF 400-599)
  beginner I/scholastic players
• National Class I (USCF 200-399)
  early beginner/scholastic players
• National Class J (USCF 100-199)
  minimum rating