This research was conducted in order to identify the role of mobile phone in farmers' access of extension agricultural knowledge areas and its benefit. Research data were collected by using personal questionnaire the sapmle was (100 farmar) selected randomly which represent 17.2% from the population. Frequency and table presentation, percentages, arithmetic mean, standard deviation, and range, were used to present and discuss results. The following are most important findings: 1- All the respondents have a mobile phone, most of them dealing with the Vodafone network, the families of 60% of respondents have more than a mobile phone, and 74% of respondents spend on calls more than 28 pounds per month. 2- the most important obstacles for using mobile phones in the agricultural field are the expenses of calls, Telephone number of the extension agent is unknown, experience in using mobile phones, and 21% of respondents do not have obstacles. 3- the most important ideas by respondents thinking which can increases the effectiveness of using mobile phones are provide phone lines including agricultural extension agent, the ministry of agriculture and agricultural services providers at discounted calls. 4 - More areas of plant production that fits mobile phone to ask about them were the saling of agricultural crops, followed by the methods of using agricultural pesticides, while in the animal production the most important area was a cattle diseases area. 5- More areas of plant production were used the mobile phone to access to information are the area of ​​diseases that affect on vegetables, followed by the fruit diseases, while in the field of animal production cattle diseases were wideness, followed by sheep diseases. 6- The extension agent was the important benefited source in the field of plant production, followed by agricultural service providers, also in the field of animal production the extension agent was the most important source but he followed by veterinarians.