You can contact the Division of child support Enforcement within the department of Economic Security. Reach them at(602) 252-4045 or Outside Maricopa County (800) 882-4151 to find the nearest office where you can apply.

The ATLAS (Arizona’s Tracking and Location Automated System) number is utilized to identify child support cases.

Both custodial and noncustodial parents can call the Child Support Enforcement information line at 602-252-4045 or 1-800-882-4151. A personal identification number and ATLAS number are necessary for specific account information (i.e., payments, arrears, etc.) A personal identification number (PIN) can be established during the initial call to the information line, provided that the ATLAS number

You can change your personal information on the interactive voice response system, given that you have your ATLAS number and have set up a PIN number. You can call the response system at 602-252-4045 or 1-800-882-4151, 24 hours a day, 7 days a week.