The study investigated the strength of peer influence as determinants of university-community preference for GSM service providers in Ondo State, Nigeria. Two research questions were raised to guide the study. The study adopted a descriptive research survey. The population for this study consisted of the undergraduate students, academics staff and non-teaching staff of universities in Ondo State who were subscribers to each of the various popular service providers in Ondo State, Nigeria, namely, MTN, Globacom (Glo), Airtel and Etisalat (now 9mobile). The four universities have 34,246 students, 1,642 academic staff and 2,743 non-teaching staff totaling 38,631. Random sampling technique was used to select the sample of three thousand, and eight hundred and sixty-five (3,865) respondents. Questionnaire was used for data collection; the reliability was done by using Gultman Split-half method with a r-value of 0.859. Completed copies of the questionnaire were retrieved from the respondents, 3,863 copies of the instrument were distributed 3,671 copies were collected and used for analysis. The data generated was analyzed using descriptive statistics, charts, mean, standard deviation and percentage. The findings of the study revealed that majority of the respondents are students and friends pressurized themselves to use the network they have been using, it was recommended that, the students should be careful not to be influenced by friends to choose a wrong network provider that might affect them in their academics.