Section 32.5001 - Basic area revenue(a) This account shall include revenue derived from the provision of the following: (1) Basic area message services such as flat rate services and measured services. Included is revenue derived from non-optional extended area services. Also included is revenue derived from the billed or guaranteed portion of semi-public services.(2) Optional extended area service.(3) Cellular mobile telecommunications systems connected to the public switched network placed between mobile units and other stations within the mobile service area.(4) General radio telecommunications systems connected to the public switched network placed between mobile units and other stations within the mobile service area, as well as revenue from mobile radio paging, mobile dispatching, and signaling services.(b) Revenue derived from charges for nonpublished number or additional and boldfaced listings in the alphabetical section of the company's telephone directories shall be included in account 5230, Directory revenue.(c) Revenue from private mobile telephone services which do not have access to the public switched network shall be included in Account 5200, Miscellaneous revenue. 67 FR 5691 , Feb. 6, 2002, as amended at 69 FR 53650 , Sept. 2, 2004