Please fill out the form below for specific pricing and availability. Engage residents and visitors alike with billboard and airport advertising opportunities in the second-largest city on the East Coast.Include Philadelphia out of home advertising in your advertising mix today! You can apply for this license online using eCLIPSE. 1. Upload all required documents. Philadelphia city and county billboards are bright, colorful and impactful - especially for advertisers that know that looks are important. Some of the best locations for billboards in Philadelphia are near high-traffic areas such as I-95, Broad Street, Wells Fargo Center, and Market Street. Local billboard advertising experts to help grow your business. Have specific questions about outdoor advertising in Philadelphia, PA? Baltimore's strategic location and its bustling economy make it a fertile ground for advertisements that aim to capture both local and commuter audiences.