Section 55.023 - Optional Extended Area Service(a) The commission may order optional extended area service in a specified calling area if:(1) each affected company and the representatives of at least one political subdivision in the proposed calling area agree to the service; and(2) the proposed common calling area has a single, continuous boundary.(b) The commission may not adopt rules that diminish in any manner the ability of an affected company or a political subdivision to enter into joint agreements for optional extended area service under this section.(c) In this section, "political subdivision" means: (3) an unincorporated town or village that has 275 or more access lines. Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.