01214 area code: Birmingham numbers starting 0121 4
01214 is not a separate area code. It is Birmingham (0121) followed by local numbers starting 4.
930,000 numbers are allocated in 93 blocks to 37 listed holders (Ofcom, 14 Oct 2026).
Check a 01214 number privately
Number ranges registered under 0121 4
| Number range | Listed holder | Status | Allocation date |
|---|---|---|---|
| 0121 4000000 – 0121 4009999 | Datazero Ltd | Allocated | 2010-11-02 |
| 0121 4010000 – 0121 4019999 | Windsor Telecom Limited | Allocated | 2010-06-10 |
| 0121 4020000 – 0121 4029999 | Numbers Telecom Limited | Allocated | 2015-12-01 |
| 0121 4030000 – 0121 4039999 | INTELLIGENT EXCHANGES LIMITED | Allocated | 2026-01-26 |
| 0121 4050000 – 0121 4059999 | Invoco Ltd | Allocated | 2010-04-16 |
| 0121 4060000 – 0121 4069999 | Sky UK Limited | Allocated | 2013-07-23 |
| 0121 4070000 – 0121 4079999 | Verizon UK Limited | Allocated | 2014-02-11 |
| 0121 4080000 – 0121 4089999 | Sky UK Limited | Allocated | 2013-07-25 |
| 0121 4090000 – 0121 4099999 | Stour Marine Limited | Allocated | 2014-04-01 |
| 0121 4100000 – 0121 4109999 | BT | Allocated | 1997-03-26 |
| 0121 4110000 – 0121 4119999 | BT | Allocated | 1994-07-15 |
| 0121 4120000 – 0121 4129999 | Vodafone Ltd (C&W) | Allocated | 2021-11-17 |
| 0121 4130000 – 0121 4139999 | Sky UK Limited | Allocated | 2015-09-22 |
| 0121 4140000 – 0121 4149999 | BT | Allocated | 1994-07-15 |
| 0121 4150000 – 0121 4159999 | BT | Allocated | 1994-07-15 |
| 0121 4160000 – 0121 4169999 | Digital Mail Limited | Allocated | 2006-01-13 |
| 0121 4170000 – 0121 4179999 | BT | Allocated | 2020-06-29 |
| 0121 4180000 – 0121 4189999 | Barritel Limited | Allocated | 2022-11-28 |
| 0121 4200000 – 0121 4209999 | BT | Allocated | 1994-07-15 |
| 0121 4210000 – 0121 4219999 | BT | Allocated | 1994-07-15 |
| 0121 4220000 – 0121 4229999 | BT | Allocated | 1994-07-15 |
| 0121 4230000 – 0121 4239999 | BT | Allocated | 1994-07-15 |
| 0121 4240000 – 0121 4249999 | Vodafone Ltd (C&W) | Allocated | 2013-07-31 |
| 0121 4250000 – 0121 4259999 | Syntec Limited | Allocated | 2004-10-18 |
| 0121 4260000 – 0121 4269999 | BT | Allocated | 1994-07-15 |
| 0121 4270000 – 0121 4279999 | BT | Allocated | 1994-07-15 |
| 0121 4280000 – 0121 4289999 | BT | Allocated | 1994-07-15 |
| 0121 4290000 – 0121 4299999 | BT | Allocated | 1994-07-15 |
| 0121 4300000 – 0121 4309999 | BT | Allocated | 1994-07-15 |
| 0121 4310000 – 0121 4319999 | I.T Communications Limited | Allocated | 2015-03-09 |
| 0121 4320000 – 0121 4329999 | BT | Allocated | 1994-07-15 |
| 0121 4330000 – 0121 4339999 | BT | Allocated | 1994-07-15 |
| 0121 4340000 – 0121 4349999 | BT | Allocated | 1994-07-15 |
| 0121 4350000 – 0121 4359999 | Ccpro Solutions Limited | Allocated | 2025-03-04 |
| 0121 4360000 – 0121 4369999 | BT | Allocated | 1994-07-15 |
| 0121 4370000 – 0121 4379999 | Nuso Cloud UK Limited | Allocated | 2009-07-14 |
| 0121 4390000 – 0121 4399999 | TalkTalk Communications Limited | Allocated | 2009-09-23 |
| 0121 4400000 – 0121 4409999 | BT | Allocated | 1994-07-15 |
| 0121 4410000 – 0121 4419999 | BT | Allocated | 1994-07-15 |
| 0121 4420000 – 0121 4429999 | BT | Allocated | 1994-07-15 |
| 0121 4430000 – 0121 4439999 | BT | Allocated | 1994-07-15 |
| 0121 4440000 – 0121 4449999 | BT | Allocated | 1994-07-15 |
| 0121 4450000 – 0121 4459999 | BT | Allocated | 1994-07-15 |
| 0121 4460000 – 0121 4469999 | BT | Allocated | 1994-07-15 |
| 0121 4470000 – 0121 4479999 | BT | Allocated | 1994-07-15 |
| 0121 4480000 – 0121 4489999 | TalkTalk Communications Limited | Allocated | 2003-10-09 |
| 0121 4490000 – 0121 4499999 | BT | Allocated | 1994-07-15 |
| 0121 4500000 – 0121 4509999 | BT | Allocated | 1994-07-15 |
| 0121 4510000 – 0121 4519999 | BT | Allocated | 1994-07-15 |
| 0121 4520000 – 0121 4529999 | BT | Allocated | 1994-07-15 |
| 0121 4530000 – 0121 4539999 | BT | Allocated | 1994-07-15 |
| 0121 4540000 – 0121 4549999 | BT | Allocated | 1994-07-15 |
| 0121 4550000 – 0121 4559999 | BT | Allocated | 1994-07-15 |
| 0121 4560000 – 0121 4569999 | BT | Allocated | 1994-07-15 |
| 0121 4570000 – 0121 4579999 | BT | Allocated | 1994-07-15 |
| 0121 4580000 – 0121 4589999 | BT | Allocated | 1994-07-15 |
| 0121 4590000 – 0121 4599999 | BT | Allocated | 1994-07-15 |
| 0121 4600000 – 0121 4609999 | BT | Allocated | 1994-07-15 |
| 0121 4610000 – 0121 4619999 | Ziron Limited | Allocated | 2012-06-20 |
| 0121 4640000 – 0121 4649999 | Virgin Media Limited | Allocated | 2016-03-17 |
| 0121 4650000 – 0121 4659999 | Virgin Media Limited | Allocated | 2016-03-17 |
| 0121 4660000 – 0121 4669999 | Virgin Media Limited | Allocated | 2016-03-17 |
| 0121 4670000 – 0121 4679999 | OVH Limited | Allocated | 2009-07-17 |
| 0121 4680000 – 0121 4689999 | Voxbone SA | Allocated | 2007-11-29 |
| 0121 4690000 – 0121 4699999 | Net-Work Internet Ltd | Allocated | 2007-09-21 |
| 0121 4700000 – 0121 4709999 | (AQ) LIMITED | Allocated | 2011-10-19 |
| 0121 4710000 – 0121 4719999 | BT | Allocated | 1994-07-15 |
| 0121 4720000 – 0121 4729999 | BT | Allocated | 1994-07-15 |
| 0121 4730000 – 0121 4739999 | Business Broadcast Communications Limited | Allocated | 2009-10-16 |
| 0121 4740000 – 0121 4749999 | BT | Allocated | 1994-07-15 |
| 0121 4750000 – 0121 4759999 | BT | Allocated | 1994-07-15 |
| 0121 4760000 – 0121 4769999 | BT | Allocated | 1994-07-15 |
| 0121 4770000 – 0121 4779999 | BT | Allocated | 1994-07-15 |
| 0121 4780000 – 0121 4789999 | BT | Allocated | 1994-07-15 |
| 0121 4790000 – 0121 4799999 | WightFibre Limited | Allocated | 2009-12-04 |
| 0121 4800000 – 0121 4809999 | BT | Allocated | 1995-05-19 |
| 0121 4810000 – 0121 4819999 | 8x8 UK Limited | Allocated | 2009-12-11 |
| 0121 4830000 – 0121 4839999 | BT | Allocated | 1994-07-15 |
| 0121 4840000 – 0121 4849999 | Eircom (UK) Limited | Allocated | 2007-07-02 |
| 0121 4850000 – 0121 4859999 | Telecoms World Limited | Allocated | 2009-03-06 |
| 0121 4860000 – 0121 4869999 | BT | Allocated | 1994-07-15 |
| 0121 4870000 – 0121 4879999 | ICC Networks Ltd | Allocated | 2010-03-10 |
| 0121 4880000 – 0121 4889999 | GCI Network Solutions Limited | Allocated | 2017-04-20 |
| 0121 4890000 – 0121 4899999 | INTERCITY TECHNOLOGY LIMITED | Allocated | 2017-02-24 |
| 0121 4900000 – 0121 4909999 | Magrathea Telecommunications Limited | Allocated | 2023-06-01 |
| 0121 4910000 – 0121 4919999 | Hyperoptic Ltd | Allocated | 2016-05-12 |
| 0121 4920000 – 0121 4929999 | BT | Allocated | 2024-01-04 |
| 0121 4930000 – 0121 4939999 | Sky UK Limited | Allocated | 2015-06-19 |
| 0121 4940000 – 0121 4949999 | M247 Ltd | Allocated | 2015-05-18 |
| 0121 4950000 – 0121 4959999 | Internet of Things Limited | Allocated | 2018-08-13 |
| 0121 4970000 – 0121 4979999 | WELLTEL (UK) LIMITED | Allocated | 2025-09-15 |
| 0121 4980000 – 0121 4989999 | BT | Allocated | 1994-07-15 |
| 0121 4990000 – 0121 4999999 | Number Services Ltd. | Allocated | 2018-11-22 |
| 0121 4040000 – 0121 4049999 | Not listed | Protected | Not recorded |
| 0121 4190000 – 0121 4199999 | Not listed | Quarantined | Not recorded |
| 0121 4380000 – 0121 4389999 | Not listed | Protected | Not recorded |
| 0121 4620000 – 0121 4629999 | Not listed | Protected | Not recorded |
| 0121 4630000 – 0121 4639999 | Not listed | Protected | Not recorded |
| 0121 4820000 – 0121 4829999 | Not listed | Protected | Not recorded |
| 0121 4960000 – 0121 4969999 | Not listed | Protected | Not recorded |
01214 allocation
Blocks whose local number starts with 4 under Birmingham (0121): 930,000 allocated numbers in 93 blocks.
- Allocated
- 930,000 numbers · 93 blocks
- Protected
- 60,000 numbers · 6 blocks
- Quarantined
- 10,000 numbers · 1 block
Holders of 0121 4 numbers
BT holds 52.9% of the allocated numbers (500,000 numbers, 50 blocks).
| Holder | Share | Numbers | Blocks | Earliest allocation |
|---|---|---|---|---|
| BT | 52.9% | 500,000 | 50 | 1994-07-15 |
| Sky UK Limited | 4.3% | 40,000 | 4 | 2013-07-23 |
| Virgin Media Limited | 3.2% | 30,000 | 3 | 2016-03-17 |
| TalkTalk Communications Limited | 2.2% | 20,000 | 2 | 2003-10-09 |
| Vodafone Ltd (C&W) | 2.2% | 20,000 | 2 | 2013-07-31 |
| (AQ) LIMITED | 1.1% | 10,000 | 1 | 2011-10-19 |
| 8x8 UK Limited | 1.1% | 10,000 | 1 | 2009-12-11 |
| Barritel Limited | 1.1% | 10,000 | 1 | 2022-11-28 |
| Business Broadcast Communications Limited | 1.1% | 10,000 | 1 | 2009-10-16 |
| Ccpro Solutions Limited | 1.1% | 10,000 | 1 | 2025-03-04 |
| Datazero Ltd | 1.1% | 10,000 | 1 | 2010-11-02 |
| Digital Mail Limited | 1.1% | 10,000 | 1 | 2006-01-13 |
| Eircom (UK) Limited | 1.1% | 10,000 | 1 | 2007-07-02 |
| GCI Network Solutions Limited | 1.1% | 10,000 | 1 | 2017-04-20 |
| Hyperoptic Ltd | 1.1% | 10,000 | 1 | 2016-05-12 |
| I.T Communications Limited | 1.1% | 10,000 | 1 | 2015-03-09 |
| ICC Networks Ltd | 1.1% | 10,000 | 1 | 2010-03-10 |
| INTELLIGENT EXCHANGES LIMITED | 1.1% | 10,000 | 1 | 2026-01-26 |
| INTERCITY TECHNOLOGY LIMITED | 1.1% | 10,000 | 1 | 2017-02-24 |
| Internet of Things Limited | 1.1% | 10,000 | 1 | 2018-08-13 |
| Invoco Ltd | 1.1% | 10,000 | 1 | 2010-04-16 |
| M247 Ltd | 1.1% | 10,000 | 1 | 2015-05-18 |
| Magrathea Telecommunications Limited | 1.1% | 10,000 | 1 | 2023-06-01 |
| Net-Work Internet Ltd | 1.1% | 10,000 | 1 | 2007-09-21 |
| Number Services Ltd. | 1.1% | 10,000 | 1 | 2018-11-22 |
| Numbers Telecom Limited | 1.1% | 10,000 | 1 | 2015-12-01 |
| Nuso Cloud UK Limited | 1.1% | 10,000 | 1 | 2009-07-14 |
| OVH Limited | 1.1% | 10,000 | 1 | 2009-07-17 |
| Stour Marine Limited | 1.1% | 10,000 | 1 | 2014-04-01 |
| Syntec Limited | 1.1% | 10,000 | 1 | 2004-10-18 |
| Telecoms World Limited | 1.1% | 10,000 | 1 | 2009-03-06 |
| Verizon UK Limited | 1.1% | 10,000 | 1 | 2014-02-11 |
| Voxbone SA | 1.1% | 10,000 | 1 | 2007-11-29 |
| WELLTEL (UK) LIMITED | 1.1% | 10,000 | 1 | 2025-09-15 |
| WightFibre Limited | 1.1% | 10,000 | 1 | 2009-12-04 |
| Windsor Telecom Limited | 1.1% | 10,000 | 1 | 2010-06-10 |
| Ziron Limited | 1.1% | 10,000 | 1 | 2012-06-20 |
Weekly changes for 01214
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 0121 Birmingham. Methodology.
01214 source: Ofcom s1.csv, published 14 Oct 2026. Download 0121 4 blocks (CSV). Contains Ofcom copyright material.
Source detail · 01214
| Claim | Value | Identifier |
|---|---|---|
| allocated_numbers | 930000 | subcode:0121-4:allocated_numbers:fc227d9e:v1 |
| allocated_records | 93 | subcode:0121-4:allocated_records:fc227d9e:v1 |
| listed_holders | 37 | subcode:0121-4:listed_holders:fc227d9e:v1 |
| area_code | 0121 | subcode:0121-4:area_code:fc227d9e:v1 |
| first_digit | 4 | subcode:0121-4:first_digit:fc227d9e:v1 |
| snapshot_date | 14 Oct 2026 | subcode:0121-4:snapshot_date:fc227d9e:v1 |