How mobile number recycling works in Bangladesh
Last updated 2026-07-07 By Adnan Siddiqui
Bangladesh has hundreds of millions of mobile connections but only a finite pool of dialable numbers. When customers stop using a line, operators do not let that number sit idle forever — they reclaim it, publish notices, and put it back into circulation. This page walks through the regulatory backdrop, the operator lifecycle, and what “recycled” means in everyday terms.
Numbering is a regulated, finite resource
The Bangladesh Telecommunication Regulatory Commission (BTRC) allocates number ranges to mobile network operators (MNOs). Each prefix (017, 018, 019, etc.) has a fixed capacity. Letting millions of unused numbers stay attached to dead SIMs would exhaust the pool and force awkward migrations (new digits, broken contacts, business cards obsolete). Recycling inactive numbers is how the industry keeps capacity available without constantly issuing new prefixes.
When does an operator reclaim a number?
Exact timers vary by operator and plan (prepaid vs postpaid), but the pattern is consistent:
- Short inactivity → outgoing/incoming may stop (temporary disconnection).
- Longer non-use or unpaid bills → permanent deactivation; ownership returns to the operator.
- Permanent deactivation → number enters the recycled pool and may appear on public notices.
- Later → a new customer can be issued the same digits on a fresh SIM (reissue).
Public notices — why GP publishes PDF lists
Grameenphone (and periodically other operators) publish dated PDF notices listing permanently deactivated numbers. These serve regulatory transparency, customer awareness, and downstream tools like this site. A number on a notice was recycled at least as of that notice date; it does not mean the number is sitting unused today — someone else may already hold it.
Recycled vs ported vs changed
People often confuse three different events:
- Recycled / reissued — same operator, same digits, new customer after permanent deactivation.
- Ported (MNP) — customer moves the same active number from GP to Robi (or vice versa); not recycling.
- Number change — customer gets a new SIM with different digits; old number may later recycle separately.
Why this matters for buyers and businesses
Businesses printing numbers on packaging, shops using SMS marketing, and individuals using phone-based 2FA all assume a number maps to one person over time. Recycling breaks that assumption. That is why checking notices, following security best practices, and unlinking old numbers before you abandon a SIM are important — for you and for whoever gets the digits next.
What this site does in the lifecycle
GP Recycle indexes Grameenphone’s public recycled notices so you can search a number in seconds instead of reading hundreds of PDFs. We do not control recycling, reissue availability, or operator decisions — we make published data searchable. For reissue requests, you must go through Grameenphone directly.