Geographic area code 01577
01577 numbers: who holds the ranges
- Range records
- 460
- Allocated records
- 108
- Distinct listed holders
- 82
Allocation records for 01577 in the dated Ofcom snapshot: 460 number blocks, their statuses, the listed holders, and what changed between snapshots.
What the record means
Facts first, identity separate
Allocation describes how a number range is administered at the snapshot date. It does not establish who used a displayed caller ID.
Source detail
- Area code
- 01577
- Snapshot published
- 23 Sept 2026
- Blocks that changed status between the 19 Aug 2026 and 24 Sept 2026 snapshots
- 0
- Blocks that changed listed holder between the 19 Aug 2026 and 24 Sept 2026 snapshots
- 0
- Blocks no longer listed between the 19 Aug 2026 and 24 Sept 2026 snapshots
- 0
Claim identifiers and provenance
area:01577:records:6d60d6b0:v1area:01577:allocated_records:6d60d6b0:v1area:01577:listed_holders:6d60d6b0:v1area:01577:area_code:6d60d6b0:v1area:01577:snapshot_date:6d60d6b0:v1area:01577:status_changes:6d60d6b0:v1area:01577:holder_changes:6d60d6b0:v1area:01577:withdrawn_blocks:6d60d6b0:v1