Aeronautical Information Manual (AIM), page 59
12/10/15 AIMFIG 1-1-1 FIG 1-1-2 Standard High Altitude Service Volume Standard Low Altitude Service Volume (See FIG 1-1-5 for altitudes below 1,000 feet). (See FIG 1-1-5 for altitudes below 1,000 feet). 40 NM 100 NM 60,000 ft. 18,000 ft. 130 NM 45,000 ft. 18,000 ft. 1,000 ft. 14,500 ft. NOTE: All elevations shown are with respect 1,000 ft. 40 NM to the station's site elevation (AGL). Coverage is not available in a cone of airspace directly above the facility.FIG 1-1-3 Standard Terminal Service Volume (See FIG 1-1-4 for altitudes below 1,000 feet). 25 NM 12,000 ft. 1,000 ft. Navigation Aids 1-1-5
Page 59 of the Aeronautical Information Manual (AIM.pdf)
AIM: Official Guide to Basic Flight Information and ATC Procedures