1200 W. Washington Street

Phoenix, AZ 85007-2927


Phoenix Office: (602) 542-4251


Tucson Office: (520) 628-6550


Toll Free In-State Only:

1-(800) 222-7000

Frequently Asked Questions

To whom do we send our tariff filings?

Are there any fees associated with making a tariff filing with the Commission?

How many copies are required when making a tariff filing?

Does the Commission require us to submit a cover letter with our tariff filing?

What should we use as the "Issue Date"?

What should I use as the "Effective Date"?

We're making a name change filing. What do we need to file with the Commission?

How should we notify our customers when we are proposing an increase to our maximum rates for a particular service or group of services?

What qualifies as a separate and distinct notice?

Are there certain aspects of this customer notice that companies must not change?

Stay Connected

Arizona Corporation Commission

1200 W. Washington Street

Phoenix, AZ 85007


Corporations Division

1300 W. Washington Street

Phoenix, AZ 85007


Tucson Office (Walk-ins only)

400 W. Congress Street

Tucson, AZ 85701