01145 area code: Sheffield numbers starting 0114 5
01145 is not a separate area code. It is Sheffield (0114) followed by local numbers starting 5.
100,000 numbers are allocated in 10 blocks to 7 listed holders (Ofcom, 14 Oct 2026).
Check a 01145 number privately
Number ranges registered under 0114 5
| Number range | Listed holder | Status | Allocation date |
|---|---|---|---|
| 0114 5000000 – 0114 5009999 | 24 Seven Communications Limited | Allocated | 2021-10-13 |
| 0114 5010000 – 0114 5019999 | INFERNO COMMUNICATIONS LTD | Allocated | 2024-04-30 |
| 0114 5030000 – 0114 5039999 | WELLTEL (UK) LIMITED | Allocated | 2025-09-15 |
| 0114 5040000 – 0114 5049999 | Colt Technology Services | Allocated | 2025-01-10 |
| 0114 5050000 – 0114 5059999 | Reality Network Services Limited | Allocated | 2020-12-22 |
| 0114 5090000 – 0114 5099999 | Bink Networks Ltd | Allocated | 2023-04-11 |
| 0114 5500000 – 0114 5509999 | Gamma Telecom Holdings Limited | Allocated | 2017-12-22 |
| 0114 5510000 – 0114 5519999 | Gamma Telecom Holdings Limited | Allocated | 2020-01-06 |
| 0114 5520000 – 0114 5529999 | Gamma Telecom Holdings Limited | Allocated | 2017-12-22 |
| 0114 5530000 – 0114 5539999 | Gamma Telecom Holdings Limited | Allocated | 2017-12-20 |
| 0114 5020000 – 0114 5029999 | Not listed | Free | Not recorded |
| 0114 5060000 – 0114 5069999 | Not listed | Free | Not recorded |
| 0114 5070000 – 0114 5079999 | Not listed | Free | Not recorded |
| 0114 5080000 – 0114 5089999 | Not listed | Free | Not recorded |
| 0114 5100000 – 0114 5109999 | Not listed | Protected | Not recorded |
| 0114 5110000 – 0114 5119999 | Not listed | Protected | Not recorded |
| 0114 5120000 – 0114 5129999 | Not listed | Protected | Not recorded |
| 0114 5130000 – 0114 5139999 | Not listed | Protected | Not recorded |
| 0114 5140000 – 0114 5149999 | Not listed | Protected | Not recorded |
| 0114 5150000 – 0114 5159999 | Not listed | Protected | Not recorded |
| 0114 5160000 – 0114 5169999 | Not listed | Protected | Not recorded |
| 0114 5170000 – 0114 5179999 | Not listed | Protected | Not recorded |
| 0114 5180000 – 0114 5189999 | Not listed | Protected | Not recorded |
| 0114 5190000 – 0114 5199999 | Not listed | Protected | Not recorded |
| 0114 5200000 – 0114 5209999 | Not listed | Protected | Not recorded |
| 0114 5210000 – 0114 5219999 | Not listed | Protected | Not recorded |
| 0114 5220000 – 0114 5229999 | Not listed | Protected | Not recorded |
| 0114 5230000 – 0114 5239999 | Not listed | Protected | Not recorded |
| 0114 5240000 – 0114 5249999 | Not listed | Protected | Not recorded |
| 0114 5250000 – 0114 5259999 | Not listed | Protected | Not recorded |
| 0114 5260000 – 0114 5269999 | Not listed | Protected | Not recorded |
| 0114 5270000 – 0114 5279999 | Not listed | Protected | Not recorded |
| 0114 5280000 – 0114 5289999 | Not listed | Protected | Not recorded |
| 0114 5290000 – 0114 5299999 | Not listed | Protected | Not recorded |
| 0114 5300000 – 0114 5309999 | Not listed | Protected | Not recorded |
| 0114 5310000 – 0114 5319999 | Not listed | Protected | Not recorded |
| 0114 5320000 – 0114 5329999 | Not listed | Protected | Not recorded |
| 0114 5330000 – 0114 5339999 | Not listed | Protected | Not recorded |
| 0114 5340000 – 0114 5349999 | Not listed | Protected | Not recorded |
| 0114 5350000 – 0114 5359999 | Not listed | Protected | Not recorded |
| 0114 5360000 – 0114 5369999 | Not listed | Protected | Not recorded |
| 0114 5370000 – 0114 5379999 | Not listed | Protected | Not recorded |
| 0114 5380000 – 0114 5389999 | Not listed | Protected | Not recorded |
| 0114 5390000 – 0114 5399999 | Not listed | Protected | Not recorded |
| 0114 5400000 – 0114 5409999 | Not listed | Protected | Not recorded |
| 0114 5410000 – 0114 5419999 | Not listed | Protected | Not recorded |
| 0114 5420000 – 0114 5429999 | Not listed | Protected | Not recorded |
| 0114 5430000 – 0114 5439999 | Not listed | Protected | Not recorded |
| 0114 5440000 – 0114 5449999 | Not listed | Protected | Not recorded |
| 0114 5450000 – 0114 5459999 | Not listed | Protected | Not recorded |
| 0114 5460000 – 0114 5469999 | Not listed | Protected | Not recorded |
| 0114 5470000 – 0114 5479999 | Not listed | Protected | Not recorded |
| 0114 5480000 – 0114 5489999 | Not listed | Protected | Not recorded |
| 0114 5490000 – 0114 5499999 | Not listed | Protected | Not recorded |
| 0114 5540000 – 0114 5549999 | Not listed | Protected | Not recorded |
| 0114 5550000 – 0114 5559999 | Not listed | Protected | Not recorded |
| 0114 5560000 – 0114 5569999 | Not listed | Protected | Not recorded |
| 0114 5570000 – 0114 5579999 | Not listed | Protected | Not recorded |
| 0114 5580000 – 0114 5589999 | Not listed | Protected | Not recorded |
| 0114 5590000 – 0114 5599999 | Not listed | Protected | Not recorded |
| 0114 5600000 – 0114 5609999 | Not listed | Protected | Not recorded |
| 0114 5610000 – 0114 5619999 | Not listed | Protected | Not recorded |
| 0114 5620000 – 0114 5629999 | Not listed | Protected | Not recorded |
| 0114 5630000 – 0114 5639999 | Not listed | Protected | Not recorded |
| 0114 5640000 – 0114 5649999 | Not listed | Protected | Not recorded |
| 0114 5650000 – 0114 5659999 | Not listed | Protected | Not recorded |
| 0114 5660000 – 0114 5669999 | Not listed | Protected | Not recorded |
| 0114 5670000 – 0114 5679999 | Not listed | Protected | Not recorded |
| 0114 5680000 – 0114 5689999 | Not listed | Protected | Not recorded |
| 0114 5690000 – 0114 5699999 | Not listed | Protected | Not recorded |
| 0114 5700000 – 0114 5709999 | Not listed | Protected | Not recorded |
| 0114 5710000 – 0114 5719999 | Not listed | Protected | Not recorded |
| 0114 5720000 – 0114 5729999 | Not listed | Protected | Not recorded |
| 0114 5730000 – 0114 5739999 | Not listed | Protected | Not recorded |
| 0114 5740000 – 0114 5749999 | Not listed | Protected | Not recorded |
| 0114 5750000 – 0114 5759999 | Not listed | Protected | Not recorded |
| 0114 5760000 – 0114 5769999 | Not listed | Protected | Not recorded |
| 0114 5770000 – 0114 5779999 | Not listed | Protected | Not recorded |
| 0114 5780000 – 0114 5789999 | Not listed | Protected | Not recorded |
| 0114 5790000 – 0114 5799999 | Not listed | Protected | Not recorded |
| 0114 5800000 – 0114 5809999 | Not listed | Protected | Not recorded |
| 0114 5810000 – 0114 5819999 | Not listed | Protected | Not recorded |
| 0114 5820000 – 0114 5829999 | Not listed | Protected | Not recorded |
| 0114 5830000 – 0114 5839999 | Not listed | Protected | Not recorded |
| 0114 5840000 – 0114 5849999 | Not listed | Protected | Not recorded |
| 0114 5850000 – 0114 5859999 | Not listed | Protected | Not recorded |
| 0114 5860000 – 0114 5869999 | Not listed | Protected | Not recorded |
| 0114 5870000 – 0114 5879999 | Not listed | Protected | Not recorded |
| 0114 5880000 – 0114 5889999 | Not listed | Protected | Not recorded |
| 0114 5890000 – 0114 5899999 | Not listed | Protected | Not recorded |
| 0114 5900000 – 0114 5909999 | Not listed | Protected | Not recorded |
| 0114 5910000 – 0114 5919999 | Not listed | Protected | Not recorded |
| 0114 5920000 – 0114 5929999 | Not listed | Protected | Not recorded |
| 0114 5930000 – 0114 5939999 | Not listed | Protected | Not recorded |
| 0114 5940000 – 0114 5949999 | Not listed | Protected | Not recorded |
| 0114 5950000 – 0114 5959999 | Not listed | Protected | Not recorded |
| 0114 5960000 – 0114 5969999 | Not listed | Protected | Not recorded |
| 0114 5970000 – 0114 5979999 | Not listed | Protected | Not recorded |
| 0114 5980000 – 0114 5989999 | Not listed | Protected | Not recorded |
| 0114 5990000 – 0114 5999999 | Not listed | Protected | Not recorded |
01145 allocation
Blocks whose local number starts with 5 under Sheffield (0114): 100,000 allocated numbers in 10 blocks.
- Allocated
- 100,000 numbers · 10 blocks
- Free
- 40,000 numbers · 4 blocks
- Protected
- 860,000 numbers · 86 blocks
Holders of 0114 5 numbers
Gamma Telecom Holdings Limited holds 40.0% of the allocated numbers (40,000 numbers, 4 blocks).
| Holder | Share | Numbers | Blocks | Earliest allocation |
|---|---|---|---|---|
| Gamma Telecom Holdings Limited | 40.0% | 40,000 | 4 | 2017-12-20 |
| 24 Seven Communications Limited | 10.0% | 10,000 | 1 | 2021-10-13 |
| Bink Networks Ltd | 10.0% | 10,000 | 1 | 2023-04-11 |
| Colt Technology Services | 10.0% | 10,000 | 1 | 2025-01-10 |
| INFERNO COMMUNICATIONS LTD | 10.0% | 10,000 | 1 | 2024-04-30 |
| Reality Network Services Limited | 10.0% | 10,000 | 1 | 2020-12-22 |
| WELLTEL (UK) LIMITED | 10.0% | 10,000 | 1 | 2025-09-15 |
Weekly changes for 01145
0 block changes from 19 Aug 2026 to 17 Oct 2026. Each week counts a block once.
| From | To | Changed blocks |
|---|---|---|
| 2026-08-19 | 2026-08-26 | 0 |
| 2026-08-26 | 2026-09-02 | 0 |
| 2026-09-02 | 2026-09-09 | 0 |
| 2026-09-09 | 2026-09-16 | 0 |
| 2026-09-16 | 2026-09-24 | 0 |
| 2026-09-24 | 2026-09-30 | 0 |
| 2026-09-30 | 2026-10-07 | 0 |
| 2026-10-07 | 2026-10-17 | 0 |
These numbers belong to 0114 Sheffield. Methodology.
01145 source: Ofcom s1.csv, published 14 Oct 2026. Download 0114 5 blocks (CSV). Contains Ofcom copyright material.
Source detail · 01145
| Claim | Value | Identifier |
|---|---|---|
| allocated_numbers | 100000 | subcode:0114-5:allocated_numbers:fc227d9e:v1 |
| allocated_records | 10 | subcode:0114-5:allocated_records:fc227d9e:v1 |
| listed_holders | 7 | subcode:0114-5:listed_holders:fc227d9e:v1 |
| area_code | 0114 | subcode:0114-5:area_code:fc227d9e:v1 |
| first_digit | 5 | subcode:0114-5:first_digit:fc227d9e:v1 |
| snapshot_date | 14 Oct 2026 | subcode:0114-5:snapshot_date:fc227d9e:v1 |