Spring 2026 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | KCSJ-AM | |
| Frequency: | 590 | |
| Station Name: | 590 KCSJ IHEART | |
| Format: | News Talk Information | |
| Network(s): | FOXNEW WWO PRMIER | |
| City of License: | PUEBLO | |
| County of License: | Pueblo | |
| Mailing Address: | 106 W 24TH ST PUEBLO, CO 81003 |
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| Phone: | 719-545-2080 | |
| Fax: | 719-543-9898 | |
| URL Address: | www.590kcsj.com | |
| Broadcasts in HD: |
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| Internet Streams: |
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Spring 2026 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .