Area Code Studies & Data Analysis
Data-driven analysis of US area codes. Explore exhaustion rankings, demographic statistics, and more — all based on official NANPA and Census data.
Area Code Exhaustion Rankings
Which US area codes are running out of prefixes the fastest? Explore utilization data from NANPA for all 431+ area codes.
136 area codes above 95% utilization
Richest & Densest Area Codes
Income and population density rankings for US area codes, based on Census ACS 5-year estimates.
234 US area codes ranked