The CPI of communications stood at 163.4 for the month, indicating a 3.7% growth compared with the month before.
The index, with a coefficient of 2.87%, registered a year-on-year increase of 10.3%, which is also the lowest among the 12 groups under review.
The overall average goods and services Consumer Price Index in the 12-month period ending July 21 increased by 26.4% compared with the corresponding period of last year, latest data released by the Statistical Center of Iran show.
SCI had put the average annual inflation rate for the preceding Iranian month, which ended on June 20, at 27.8%.
The consumer inflation for the month under review (June 21-July 21) registered a year-on-year increase of 26.9% compared with the similar month of the previous Iranian year. The year-on-year inflation of the month ending June 20 was 22.5%.
The overall CPI (using the Iranian year to March 2017 as the base year) stood at 227.9 last month, indicating a 6.4% rise compared with the month before.
SCI put the average annual urban and rural inflation for the month under review at 26.4%.
CPI registered a year-on-year increase of 27% for urban areas and 25.9% for rural areas in the month ending July 21.
The overall CPI stood at 226.7 for urban households and 234.9 for rural households, indicating a month-on-month increase of 6.5% and 5.9% for urban and rural areas, respectively.