City of Harlingen
- Contains administration, planning boards, public services and information on museums and city history.
- http://www.myharlingen.us/

Harlingen Police Department
- Mission statement, phone numbers, and fees for accident reports.
- http://www.harlingenpolice.com/

Immigration Court - Harlingen, Texas
- Component of Executive Office for Immigration Review. Provides current information available to those needing to appear before an Immigration Judge.
- http://www.usdoj.gov/eoir/sibpages/hlg/hlgmain.htm