911 Master PSAP Registry: U.S. Public Safety Answering Points with Change Log

Updated as of February 26, 2019, this registry lists U.S. Public Safety Answering Points (PSAPs) with details on their location and administrative changes. It is maintained by the FCC's Public Safety and Homeland Security Bureau and includes information such as PSAP name, state, county, city, and the reason for record updates. The data is provided by the organization opendata.fcc.gov.

Use Cases

• Map PSAP service areas using State, County, City, and Geocode City Level (address) columns.
• Analyze administrative changes over time using Date Last Modified and Type of Change (full text) columns.
• Create a unique identifier lookup table for PSAPs using the PSAP ID and PSAP Name columns.
• Validate and clean geographic data by cross-referencing City, State, and Geocode City Level (zip) columns.

Strengths

• Includes a unique FCC-assigned PSAP ID for each record, enabling reliable linking.
• Provides a log of administrative changes via the Type of Change (full text) column.
• Contains multiple geographic reference columns (State, County, City, Geocode City Level) for spatial validation.

Limitations

• Last updated 2019-02-28 13:45:19; freshness should be verified.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Federal Communications Commission (FCC), Public Safety and Homeland Security Bureau.

Collection Method

Administratively gathered and updated by the FCC as information is received from PSAPs.

Time Range

Snapshot as of February 2019, with historical change records.

Freshness

Updated periodically; last update was 2019-02-28.

Geography

United States, with coverage indicated by State, County, and City columns.