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Mountain Line
3773 N Kaspar Dr.
Flagstaff, Arizona 86004

Office Hours and Live Phone Hours:

Monday thru Friday:
Front Desk and telephone customer service available 8:00 AM – 5:00 PM (closed 12-1 p.m.)
(928) 779-6624

Mountain Line is committed to friendly, safe, and courteous public transit. If you have a question, suggestion, comment, or concern, please call (928) 779-6624 and speak to one of our Customer Service Representatives.


Questions, Comments, Concerns?

If you have a general customer service question, comment or concern please complete this form and send it to Mountain Line’s Administrative Department for processing. If you have safety comment or concern, please visit our Safety Page. You may also call (928) 779-6624 Monday thru Friday – 8:00 AM to 5:00 PM and speak to one of our Customer Service Representatives. Visit our Customer Rights page to learn more about our Customer Rights program.

As a federally funded agency, Mountain Line is not able to accept direct solicitations. However, we invite you to register as a vendor on our purchasing page at https://mountainline.az.gov/services-programs/purchasing/.

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