If you're trying to reach Colorado's unemployment agency by phone, you're most likely dealing with a claim question, a payment issue, an identity verification problem, or a situation that the online system couldn't resolve on its own. Knowing which number to call — and what to expect when you do — can save you significant time.
Colorado's unemployment insurance program is administered by the Colorado Department of Labor and Employment (CDLE), through its Division of Unemployment Insurance.
The primary claimant phone line is:
📞 303-318-9000
This number connects claimants to the MyUI+ claimant assistance line. It handles questions about:
Hours of operation and wait times can vary. Colorado, like most states, experiences high call volumes on Mondays and during periods of elevated unemployment. Calling mid-week or mid-morning often results in shorter hold times, though this varies.
Not every issue gets resolved over the phone. Colorado's unemployment system uses an online portal called MyUI+ as its primary platform for filing claims, certifying weekly benefits, and managing account information. Phone agents can assist with account access problems and escalate certain issues, but many actions — including initial claims and weekly certifications — are expected to be completed online.
If you're calling because you're locked out of your account, have a pending identity verification issue, or received a confusing notice, the phone line is often the right starting point. If you're looking to just check your payment status, the online portal or the automated phone system can handle that without a live agent.
Colorado's unemployment division offers more than one way to get in touch, depending on your issue:
| Contact Method | Best For |
|---|---|
| 303-318-9000 (Claimant line) | Claim questions, payment issues, account access |
| MyUI+ online portal | Filing, certifying, uploading documents |
| CDLE Appeals Unit | Scheduling hearings, appeal status questions |
| Written correspondence | Formal responses to notices, overpayment disputes |
The appeals process uses a separate track. If you've received a determination — a decision on your eligibility — and you disagree with it, there's a formal appeals process with its own timelines and procedures. Colorado generally allows 20 calendar days from the mailing date of a determination to file an appeal, though claimants should verify current deadlines directly with CDLE, as procedural rules can change.
Understanding where your issue fits in the claims process helps you get the right help faster.
Identity verification holds have become one of the most common reasons claimants get stuck. Many states, including Colorado, use third-party identity verification systems. If your identity couldn't be confirmed automatically, your payments may be on hold until you complete verification — either online or through a scheduled call with the agency.
Eligibility adjudication is another common reason for delays. If there's a question about why you left your job — whether you were laid off, quit, or were discharged — your claim may be held pending a fact-finding review. During this time, the agency may contact both you and your former employer to gather information. A phone call won't necessarily speed up the adjudication, but it can confirm what stage the review is in.
Overpayment notices catch many claimants off guard. If Colorado determines you were paid benefits you weren't entitled to — due to a reporting error, an eligibility issue, or a retroactive determination — you'll receive a notice explaining the amount and your options. The phone line is a reasonable first step to understand the notice, but formal disputes typically require a written response or appeal.
It's worth being clear: calling the unemployment office is a way to get information and resolve administrative issues. It doesn't change the underlying rules that govern your eligibility.
Those rules depend on factors specific to you:
Some situations genuinely require more than a phone call — including formal appeals, overpayment waivers, and cases involving employer fraud or identity theft. Colorado's Division of Unemployment Insurance has specific procedures for each of these, and the steps involved go beyond what a claimant services representative handles on a routine call.
If your issue involves a disputed determination, a denied claim, or a complex payment problem, the phone call is often a starting point — not a resolution. The agency's written notices contain the most authoritative information about your specific case, including deadlines, the basis for any decision made, and your options going forward.
Your situation — your work history, your separation reason, the wages on record, and the specific determination Colorado has issued — is what ultimately shapes how this process plays out for you.