PHILADELPHIA — The Federal Communications Commission has opened an investigation into the pricing policies of major cable operators and Verizon Communications Inc.

The FCC wrote on Oct. 30 to cable operators including Comcast Corp., Time Warner Cable Inc., Cox Communications Inc., Charter Communications Inc., Cablevision Systems Corp., Bright House Networks, Suddenlink Communications, Bend Cable Communications, GCI Company, Harron Entertainment and RCN Corp. Verizon, which offers pay-TV services with FiOS, also was included in the probe.