There are 2005 Mailing Services in Pennsylvania, serving a population of 12,790,505 people in an area of 44,732 square miles. There is 1 Mailing Service per 6,379 people, and 1 Mailing Service per 22 square miles.
The state of Pennsylvania is ranked 27th in Mailing Services per capita, and 9th in Mailing Services per square mile.