You just activated a new business line and surprise: your answer rate is catastrophic, prospects tell you "your number shows as spam". Welcome to the world of recycled numbers.
What is a recycled number?
Telecom operators have a limited pool of numbers. When a line is terminated, the number is:
- Quarantined — Variable period (3 to 12 months)
- Put back in circulation — Assigned to a new subscriber
Problem: if the previous owner was flagged as spam, you inherit their reputation.
Why it's a growing problem
The spam explosion
With increasing phone scams, consumers report massively. A number used by a fraudster can accumulate hundreds of reports before being abandoned.
Database memory
Anti-spam apps (Truecaller, Hiya) and community databases keep report history for years.
How to know if your number is "dirty"
Symptoms
- Abnormally low answer rate — Under 15%
- "Spam" mentions by prospects
- Automatic rejections
Verification
Before activating a new number, check it on Tellows, Truecaller, or HUHU.
What to do if you inherit a dirty number
Option 1: Request another number
Contact your carrier and request a number replacement.
Option 2: Clean the reputation
- Identify databases flagging it
- Request delisting
- Contact carriers
- Wait several weeks
FAQ
How long does a number stay in quarantine?
Variable: 3 to 12 months depending on carrier.
Can I refuse a recycled number?
You usually won't know until after activation. Check immediately and request replacement if needed.
