Sec.  27.1208   Service areas.

   Most BRS/EBS service areas are Basic Trading Areas (BTAs). BTAs are based on
   the Rand McNally 1992 Commercial Atlas & Marketing Guide, 123rd Edition, at
   pages 38–39. The following are additional BRS or EBS service areas in places
   where Rand McNally has not defined BTAs: American Samoa; Guam; Northern
   Mariana Islands; Mayaguez/Aguadilla-Ponce, Puerto Rico; San Juan, Puerto
   Rico; and the United States Virgin Islands. The Mayaguez/Aguadilla-Ponce,
   PR, service area consists of the following municipios: Adjuntas, Aguada,
   Aguadilla, Anasco, Arroyo, Cabo Rojo, Coamo, Guanica, Guayama, Guayanilla,
   Hormigueros, Isabela, Jayuya, Juana Diaz, Lajas, Las Marias, Maricao,
   Maunabo, Mayaguez, Moca, Patillas, Penuelas, Ponce, Quebradillas, Rincón,
   Sabana Grande, Salinas, San German, Santa Isabel, Villalba and Yauco. The
   San Juan service area consists of all other municipios in Puerto Rico.