This comes right out of the frequency chart on the handiham website.
It shows that 7.225 starts the portion of the band where phone is permitted by general class operators.
Just don't want to transmit where I am not supposed to.

40 Meters

Novice and Technician Plus classes:
7.100-7.150 MHz: CW Only
General class:
7.025-7.150 MHz: CW, RTTY/Data
7.225-7.300 MHz: CW, Phone, Image
Advanced class:
7.025-7.150 MHz: CW, RTTY/Data
7.150-7.300 MHz: CW, Phone, Image
Amateur Extra class:
7.000-7.150 MHz: CW, RTTY/Data
7.150-7.300 MHz: CW, Phone, Image

Note: Phone and Image modes are permitted between 7.075 and 7.100 MHz for FCC licensed stations in ITU Regions 1 and 3 and by FCC licensed stations in ITU Region 2 West of 130 degrees West longitude or south of 20 degrees North latitude. See Section 97.307(f)(11). Novice and Technician Plus licensees outside ITU Region 2 may use CW only between 7.050 and 7.075 MHz. See Section 97.301(e). These exemptions do not apply to stations in the continental US.