Taxpayer Advocate Service Office
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Fax: (855) 829-3838
TollFree: (877) 777-4778
Phone: (303) 603-4600
Address: 1999 Broadway, Denver, CO 80202
Website: https://www.irs.gov/advocate/local-taxpayer-advocate
555 17th St Ste 1400, Denver, CO 80202
718 16th St, Denver, CO 80202
1141 21st St, Denver, CO 80205
305 Park Ave W Unit 201, Denver, CO 80205
999 18th St Ste 3000, Denver, CO 80202
601 E 18th Ave Ste 100, Denver, CO 80203
1624 Market St Ste 202, Denver, CO 80202
6145 W 38th Ave, Wheat Ridge, CO 80033
1857 W 34th Ave, Denver, CO 80211
1728 Race St, Denver, CO 80206