01134 area code: Leeds numbers starting 0113 4
01134 is not a separate area code. It is Leeds (0113) followed by local numbers starting 4.
770,000 numbers are allocated in 77 blocks to 64 listed holders (Ofcom, 14 Oct 2026).
Check a 01134 number privately
Number ranges registered under 0113 4
| Number range | Listed holder | Status | Allocation date |
|---|---|---|---|
| 0113 4000000 – 0113 4009999 | Windsor Telecom Limited | Allocated | 2010-06-10 |
| 0113 4030000 – 0113 4039999 | Simwood eSMS Limited | Allocated | 2010-07-20 |
| 0113 4060000 – 0113 4069999 | Telephone Box Limited | Allocated | 2010-11-04 |
| 0113 4070000 – 0113 4079999 | Nexus Telecommunications Limited | Allocated | 2010-11-24 |
| 0113 4100000 – 0113 4109999 | Phone Co-Op Numbering Limited | Allocated | 2010-12-02 |
| 0113 4110000 – 0113 4119999 | Mintaka Limited | Allocated | 2011-02-11 |
| 0113 4120000 – 0113 4129999 | Firstsound Ltd | Allocated | 2011-04-11 |
| 0113 4140000 – 0113 4149999 | Sky UK Limited | Allocated | 2013-06-20 |
| 0113 4150000 – 0113 4159999 | HAVENSTOKE COMMUNICATIONS LTD | Allocated | 2026-03-17 |
| 0113 4160000 – 0113 4169999 | Cloudcall Limited | Allocated | 2011-06-21 |
| 0113 4170000 – 0113 4179999 | Media Hawk Ltd | Allocated | 2011-09-26 |
| 0113 4180000 – 0113 4189999 | Kalnet4U Ltd | Allocated | 2011-12-01 |
| 0113 4190000 – 0113 4199999 | Nexbridge Communications Limited | Allocated | 2012-01-09 |
| 0113 4200000 – 0113 4209999 | Group 3 Technology Limited | Allocated | 2011-04-11 |
| 0113 4210000 – 0113 4219999 | GCI Network Solutions Limited | Allocated | 2017-03-30 |
| 0113 4220000 – 0113 4229999 | Bink Networks Ltd | Allocated | 2022-09-15 |
| 0113 4260000 – 0113 4269999 | BT | Allocated | 2015-01-23 |
| 0113 4270000 – 0113 4279999 | IOVOX Limited | Allocated | 2012-03-05 |
| 0113 4280000 – 0113 4289999 | Bicom Systems EURL | Allocated | 2012-03-02 |
| 0113 4290000 – 0113 4299999 | 8x8 Communications UK Limited | Allocated | 2012-03-26 |
| 0113 4300000 – 0113 4309999 | Orbtalk Limited | Allocated | 2011-05-05 |
| 0113 4310000 – 0113 4319999 | Barritec Limited | Allocated | 2011-09-20 |
| 0113 4330000 – 0113 4339999 | INTELLIGENT EXCHANGES LIMITED | Allocated | 2026-01-26 |
| 0113 4340000 – 0113 4349999 | Minotaur Telecom Limited | Allocated | 2013-01-31 |
| 0113 4360000 – 0113 4369999 | Invoco Ltd | Allocated | 2011-07-14 |
| 0113 4370000 – 0113 4379999 | Aloha Telecommunications Ltd | Allocated | 2011-08-16 |
| 0113 4380000 – 0113 4389999 | Internexus Networks Limited | Allocated | 2011-11-18 |
| 0113 4390000 – 0113 4399999 | TGL Services (UK) Ltd | Allocated | 2015-02-02 |
| 0113 4400000 – 0113 4409999 | TalkTalk Communications Limited | Allocated | 2012-04-18 |
| 0113 4410000 – 0113 4419999 | Content Guru Limited | Allocated | 2012-05-28 |
| 0113 4430000 – 0113 4439999 | Sky UK Limited | Allocated | 2013-06-20 |
| 0113 4440000 – 0113 4449999 | Numbers Telecom Limited | Allocated | 2012-07-12 |
| 0113 4450000 – 0113 4459999 | Vodafone Ltd (C&W) | Allocated | 2021-11-17 |
| 0113 4460000 – 0113 4469999 | Vodafone Ltd (C&W) | Allocated | 2021-11-17 |
| 0113 4470000 – 0113 4479999 | Convergence Group (wireless) Networks Limited | Allocated | 2013-01-07 |
| 0113 4480000 – 0113 4489999 | York Data Services Limited | Allocated | 2012-07-12 |
| 0113 4500000 – 0113 4509999 | TalkTalk Communications Limited | Allocated | 2013-09-03 |
| 0113 4510000 – 0113 4519999 | Redwood Technologies Ltd | Allocated | 2018-11-15 |
| 0113 4520000 – 0113 4529999 | BT | Allocated | 2019-03-29 |
| 0113 4540000 – 0113 4549999 | Fluency Communications Ltd | Allocated | 2013-10-07 |
| 0113 4550000 – 0113 4559999 | Budget Numbers Limited | Allocated | 2013-12-09 |
| 0113 4570000 – 0113 4579999 | BT | Allocated | 2014-03-24 |
| 0113 4580000 – 0113 4589999 | BT | Allocated | 2014-03-26 |
| 0113 4590000 – 0113 4599999 | Stour Marine Limited | Allocated | 2014-04-01 |
| 0113 4600000 – 0113 4609999 | YayYay Limited | Allocated | 2015-04-07 |
| 0113 4610000 – 0113 4619999 | M247 Ltd | Allocated | 2015-05-18 |
| 0113 4620000 – 0113 4629999 | Tata Communications (UK) Limited | Allocated | 2024-08-29 |
| 0113 4650000 – 0113 4659999 | EVE CONNECT LTD | Allocated | 2022-05-25 |
| 0113 4660000 – 0113 4669999 | Dial 9 Communications Limited | Allocated | 2016-05-19 |
| 0113 4670000 – 0113 4679999 | Gamma Telecom Holdings Limited | Allocated | 2015-08-17 |
| 0113 4680000 – 0113 4689999 | Gamma Telecom Holdings Limited | Allocated | 2016-06-10 |
| 0113 4690000 – 0113 4699999 | Sky UK Limited | Allocated | 2014-07-30 |
| 0113 4700000 – 0113 4709999 | Bink Broadband Ltd | Allocated | 2015-05-19 |
| 0113 4710000 – 0113 4719999 | Belgacom International Carrier Services SA | Allocated | 2016-06-20 |
| 0113 4720000 – 0113 4729999 | I.T Communications Limited | Allocated | 2016-03-15 |
| 0113 4730000 – 0113 4739999 | Sky UK Limited | Allocated | 2015-09-18 |
| 0113 4740000 – 0113 4749999 | WELLTEL (UK) LIMITED | Allocated | 2025-09-15 |
| 0113 4750000 – 0113 4759999 | Adepteo Limited | Allocated | 2017-01-16 |
| 0113 4760000 – 0113 4769999 | Invosys Limited | Allocated | 2017-04-20 |
| 0113 4770000 – 0113 4779999 | Tango Networks UK Ltd | Allocated | 2016-03-24 |
| 0113 4780000 – 0113 4789999 | TAP GATEWAY LTD | Allocated | 2020-07-02 |
| 0113 4790000 – 0113 4799999 | Mission Labs Limited | Allocated | 2017-08-29 |
| 0113 4800000 – 0113 4809999 | Lanonyx Telecom Limited | Allocated | 2015-03-17 |
| 0113 4810000 – 0113 4819999 | Zapappi Ltd | Allocated | 2017-08-25 |
| 0113 4820000 – 0113 4829999 | IOVOX Limited | Allocated | 2016-12-12 |
| 0113 4830000 – 0113 4839999 | NFON UK Ltd | Allocated | 2016-04-29 |
| 0113 4840000 – 0113 4849999 | Fuse 2 Communications Ltd | Allocated | 2016-02-22 |
| 0113 4860000 – 0113 4869999 | Colt Technology Services | Allocated | 2017-02-20 |
| 0113 4870000 – 0113 4879999 | Gamma Telecom Holdings Limited | Allocated | 2017-08-03 |
| 0113 4880000 – 0113 4889999 | Number Services Ltd. | Allocated | 2018-11-22 |
| 0113 4900000 – 0113 4909999 | DIDWW Ireland Limited | Allocated | 2014-04-07 |
| 0113 4910000 – 0113 4919999 | Hyperoptic Ltd | Allocated | 2016-05-12 |
| 0113 4920000 – 0113 4929999 | Node4 Ltd | Allocated | 2014-05-22 |
| 0113 4930000 – 0113 4939999 | AQL Wholesale Ltd | Allocated | 2015-02-26 |
| 0113 4950000 – 0113 4959999 | GCI Network Solutions Limited | Allocated | 2023-12-22 |
| 0113 4980000 – 0113 4989999 | Square 1 Communications Limited | Allocated | 2014-09-03 |
| 0113 4990000 – 0113 4999999 | Simwood eSMS Limited | Allocated | 2017-12-18 |
| 0113 4010000 – 0113 4019999 | Not listed | Protected | Not recorded |
| 0113 4020000 – 0113 4029999 | Not listed | Protected | Not recorded |
| 0113 4040000 – 0113 4049999 | Not listed | Protected | Not recorded |
| 0113 4050000 – 0113 4059999 | Not listed | Protected | Not recorded |
| 0113 4080000 – 0113 4089999 | Not listed | Quarantined | Not recorded |
| 0113 4090000 – 0113 4099999 | Not listed | Protected | Not recorded |
| 0113 4130000 – 0113 4139999 | Not listed | Protected | Not recorded |
| 0113 4230000 – 0113 4239999 | Not listed | Protected | Not recorded |
| 0113 4240000 – 0113 4249999 | Not listed | Protected | Not recorded |
| 0113 4250000 – 0113 4259999 | Not listed | Protected | Not recorded |
| 0113 4320000 – 0113 4329999 | Not listed | Protected | Not recorded |
| 0113 4350000 – 0113 4359999 | Not listed | Protected | Not recorded |
| 0113 4420000 – 0113 4429999 | Not listed | Protected | Not recorded |
| 0113 4490000 – 0113 4499999 | Not listed | Protected | Not recorded |
| 0113 4530000 – 0113 4539999 | Not listed | Quarantined | Not recorded |
| 0113 4560000 – 0113 4569999 | Not listed | Protected | Not recorded |
| 0113 4630000 – 0113 4639999 | Not listed | Protected | Not recorded |
| 0113 4640000 – 0113 4649999 | Not listed | Protected | Not recorded |
| 0113 4850000 – 0113 4859999 | Not listed | Protected | Not recorded |
| 0113 4890000 – 0113 4899999 | Not listed | Protected | Not recorded |
| 0113 4940000 – 0113 4949999 | Not listed | Protected | Not recorded |
| 0113 4960000 – 0113 4969999 | Not listed | Protected | Not recorded |
| 0113 4970000 – 0113 4979999 | Not listed | Protected | Not recorded |
01134 allocation
Blocks whose local number starts with 4 under Leeds (0113): 770,000 allocated numbers in 77 blocks.
- Allocated
- 770,000 numbers · 77 blocks
- Protected
- 210,000 numbers · 21 blocks
- Quarantined
- 20,000 numbers · 2 blocks
Holders of 0113 4 numbers
BT holds 5.1% of the allocated numbers (40,000 numbers, 4 blocks).
| Holder | Share | Numbers | Blocks | Earliest allocation |
|---|---|---|---|---|
| BT | 5.1% | 40,000 | 4 | 2014-03-24 |
| Sky UK Limited | 5.2% | 40,000 | 4 | 2013-06-20 |
| Gamma Telecom Holdings Limited | 3.9% | 30,000 | 3 | 2015-08-17 |
| GCI Network Solutions Limited | 2.6% | 20,000 | 2 | 2017-03-30 |
| IOVOX Limited | 2.6% | 20,000 | 2 | 2012-03-05 |
| Simwood eSMS Limited | 2.6% | 20,000 | 2 | 2010-07-20 |
| TalkTalk Communications Limited | 2.6% | 20,000 | 2 | 2012-04-18 |
| Vodafone Ltd (C&W) | 2.6% | 20,000 | 2 | 2021-11-17 |
| 8x8 Communications UK Limited | 1.3% | 10,000 | 1 | 2012-03-26 |
| AQL Wholesale Ltd | 1.3% | 10,000 | 1 | 2015-02-26 |
| Adepteo Limited | 1.3% | 10,000 | 1 | 2017-01-16 |
| Aloha Telecommunications Ltd | 1.3% | 10,000 | 1 | 2011-08-16 |
| Barritec Limited | 1.3% | 10,000 | 1 | 2011-09-20 |
| Belgacom International Carrier Services SA | 1.3% | 10,000 | 1 | 2016-06-20 |
| Bicom Systems EURL | 1.3% | 10,000 | 1 | 2012-03-02 |
| Bink Broadband Ltd | 1.3% | 10,000 | 1 | 2015-05-19 |
| Bink Networks Ltd | 1.3% | 10,000 | 1 | 2022-09-15 |
| Budget Numbers Limited | 1.3% | 10,000 | 1 | 2013-12-09 |
| Cloudcall Limited | 1.3% | 10,000 | 1 | 2011-06-21 |
| Colt Technology Services | 1.3% | 10,000 | 1 | 2017-02-20 |
| Content Guru Limited | 1.3% | 10,000 | 1 | 2012-05-28 |
| Convergence Group (wireless) Networks Limited | 1.3% | 10,000 | 1 | 2013-01-07 |
| DIDWW Ireland Limited | 1.3% | 10,000 | 1 | 2014-04-07 |
| Dial 9 Communications Limited | 1.3% | 10,000 | 1 | 2016-05-19 |
| EVE CONNECT LTD | 1.3% | 10,000 | 1 | 2022-05-25 |
| Firstsound Ltd | 1.3% | 10,000 | 1 | 2011-04-11 |
| Fluency Communications Ltd | 1.3% | 10,000 | 1 | 2013-10-07 |
| Fuse 2 Communications Ltd | 1.3% | 10,000 | 1 | 2016-02-22 |
| Group 3 Technology Limited | 1.3% | 10,000 | 1 | 2011-04-11 |
| HAVENSTOKE COMMUNICATIONS LTD | 1.3% | 10,000 | 1 | 2026-03-17 |
| Hyperoptic Ltd | 1.3% | 10,000 | 1 | 2016-05-12 |
| I.T Communications Limited | 1.3% | 10,000 | 1 | 2016-03-15 |
| INTELLIGENT EXCHANGES LIMITED | 1.3% | 10,000 | 1 | 2026-01-26 |
| Internexus Networks Limited | 1.3% | 10,000 | 1 | 2011-11-18 |
| Invoco Ltd | 1.3% | 10,000 | 1 | 2011-07-14 |
| Invosys Limited | 1.3% | 10,000 | 1 | 2017-04-20 |
| Kalnet4U Ltd | 1.3% | 10,000 | 1 | 2011-12-01 |
| Lanonyx Telecom Limited | 1.3% | 10,000 | 1 | 2015-03-17 |
| M247 Ltd | 1.3% | 10,000 | 1 | 2015-05-18 |
| Media Hawk Ltd | 1.3% | 10,000 | 1 | 2011-09-26 |
| Minotaur Telecom Limited | 1.3% | 10,000 | 1 | 2013-01-31 |
| Mintaka Limited | 1.3% | 10,000 | 1 | 2011-02-11 |
| Mission Labs Limited | 1.3% | 10,000 | 1 | 2017-08-29 |
| NFON UK Ltd | 1.3% | 10,000 | 1 | 2016-04-29 |
| Nexbridge Communications Limited | 1.3% | 10,000 | 1 | 2012-01-09 |
| Nexus Telecommunications Limited | 1.3% | 10,000 | 1 | 2010-11-24 |
| Node4 Ltd | 1.3% | 10,000 | 1 | 2014-05-22 |
| Number Services Ltd. | 1.3% | 10,000 | 1 | 2018-11-22 |
| Numbers Telecom Limited | 1.3% | 10,000 | 1 | 2012-07-12 |
| Orbtalk Limited | 1.3% | 10,000 | 1 | 2011-05-05 |
| Phone Co-Op Numbering Limited | 1.3% | 10,000 | 1 | 2010-12-02 |
| Redwood Technologies Ltd | 1.3% | 10,000 | 1 | 2018-11-15 |
| Square 1 Communications Limited | 1.3% | 10,000 | 1 | 2014-09-03 |
| Stour Marine Limited | 1.3% | 10,000 | 1 | 2014-04-01 |
| TAP GATEWAY LTD | 1.3% | 10,000 | 1 | 2020-07-02 |
| TGL Services (UK) Ltd | 1.3% | 10,000 | 1 | 2015-02-02 |
| Tango Networks UK Ltd | 1.3% | 10,000 | 1 | 2016-03-24 |
| Tata Communications (UK) Limited | 1.3% | 10,000 | 1 | 2024-08-29 |
| Telephone Box Limited | 1.3% | 10,000 | 1 | 2010-11-04 |
| WELLTEL (UK) LIMITED | 1.3% | 10,000 | 1 | 2025-09-15 |
| Windsor Telecom Limited | 1.3% | 10,000 | 1 | 2010-06-10 |
| YayYay Limited | 1.3% | 10,000 | 1 | 2015-04-07 |
| York Data Services Limited | 1.3% | 10,000 | 1 | 2012-07-12 |
| Zapappi Ltd | 1.3% | 10,000 | 1 | 2017-08-25 |
Weekly changes for 01134
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 0113 Leeds. Methodology.
01134 source: Ofcom s1.csv, published 14 Oct 2026. Download 0113 4 blocks (CSV). Contains Ofcom copyright material.
Source detail · 01134
| Claim | Value | Identifier |
|---|---|---|
| allocated_numbers | 770000 | subcode:0113-4:allocated_numbers:fc227d9e:v1 |
| allocated_records | 77 | subcode:0113-4:allocated_records:fc227d9e:v1 |
| listed_holders | 64 | subcode:0113-4:listed_holders:fc227d9e:v1 |
| area_code | 0113 | subcode:0113-4:area_code:fc227d9e:v1 |
| first_digit | 4 | subcode:0113-4:first_digit:fc227d9e:v1 |
| snapshot_date | 14 Oct 2026 | subcode:0113-4:snapshot_date:fc227d9e:v1 |