01143 area code: Sheffield numbers starting 0114 3
01143 is not a separate area code. It is Sheffield (0114) followed by local numbers starting 3.
820,000 numbers are allocated in 82 blocks to 67 listed holders (Ofcom, 14 Oct 2026).
Check a 01143 number privately
Number ranges registered under 0114 3
| Number range | Listed holder | Status | Allocation date |
|---|---|---|---|
| 0114 3000000 – 0114 3009999 | TalkTalk Communications Limited | Allocated | 2013-10-14 |
| 0114 3010000 – 0114 3019999 | Digitech Solutions Global Limited | Allocated | 2012-06-26 |
| 0114 3030000 – 0114 3039999 | AQL Wholesale Ltd | Allocated | 2004-10-29 |
| 0114 3040000 – 0114 3049999 | TelXL Limited | Allocated | 2005-04-25 |
| 0114 3050000 – 0114 3059999 | Virgin Media Limited | Allocated | 2016-03-18 |
| 0114 3060000 – 0114 3069999 | Syntec Limited | Allocated | 2005-03-22 |
| 0114 3070000 – 0114 3079999 | Virgin Media Limited | Allocated | 2016-03-18 |
| 0114 3080000 – 0114 3089999 | Gamma Telecom Holdings Limited | Allocated | 2021-12-21 |
| 0114 3090000 – 0114 3099999 | Six Degrees Technology Group Limited | Allocated | 2020-01-14 |
| 0114 3100000 – 0114 3109999 | Voicetec Systems Ltd | Allocated | 2006-06-22 |
| 0114 3120000 – 0114 3129999 | Simwood eSMS Limited | Allocated | 2006-07-18 |
| 0114 3130000 – 0114 3139999 | Commi Holdings Limited | Allocated | 2016-11-21 |
| 0114 3150000 – 0114 3159999 | TelNG Limited | Allocated | 2007-02-26 |
| 0114 3170000 – 0114 3179999 | Spitfire Network Services Limited | Allocated | 2006-06-27 |
| 0114 3180000 – 0114 3189999 | Resilient Limited | Allocated | 2006-11-29 |
| 0114 3190000 – 0114 3199999 | Localphone Limited | Allocated | 2007-04-24 |
| 0114 3210000 – 0114 3219999 | Gamma Telecom Holdings Limited | Allocated | 2004-04-05 |
| 0114 3220000 – 0114 3229999 | BT | Allocated | 2014-12-17 |
| 0114 3230000 – 0114 3239999 | Invade International Ltd | Allocated | 2016-01-13 |
| 0114 3240000 – 0114 3249999 | GCI Network Solutions Limited | Allocated | 2017-04-20 |
| 0114 3250000 – 0114 3259999 | TGL Services (UK) Ltd | Allocated | 2015-02-02 |
| 0114 3260000 – 0114 3269999 | GCI Network Solutions Limited | Allocated | 2017-04-20 |
| 0114 3270000 – 0114 3279999 | TalkTalk Communications Limited | Allocated | 2005-05-25 |
| 0114 3280000 – 0114 3289999 | Vodafone Ltd (C&W) | Allocated | 2013-07-19 |
| 0114 3290000 – 0114 3299999 | Flextel Limited | Allocated | 2005-10-18 |
| 0114 3300000 – 0114 3309999 | GTT-EMEA LTD | Allocated | 2021-10-13 |
| 0114 3310000 – 0114 3319999 | VoiceHost Limited | Allocated | 2010-06-30 |
| 0114 3320000 – 0114 3329999 | Barritel Limited | Allocated | 2022-11-17 |
| 0114 3330000 – 0114 3339999 | Tuxtel Ltd | Allocated | 2009-11-06 |
| 0114 3340000 – 0114 3349999 | M247 Ltd | Allocated | 2015-05-18 |
| 0114 3350000 – 0114 3359999 | Fluency Communications Ltd | Allocated | 2013-10-07 |
| 0114 3360000 – 0114 3369999 | Virgin Media Limited | Allocated | 2006-01-12 |
| 0114 3370000 – 0114 3379999 | Alphatalk Limited | Allocated | 2014-01-31 |
| 0114 3380000 – 0114 3389999 | Barritel Limited | Allocated | 2006-02-13 |
| 0114 3390000 – 0114 3399999 | Vodafone Ltd (C&W) | Allocated | 2013-06-18 |
| 0114 3410000 – 0114 3419999 | Served Up Limited | Allocated | 2008-05-09 |
| 0114 3420000 – 0114 3429999 | Digital Mail Limited | Allocated | 2006-01-13 |
| 0114 3430000 – 0114 3439999 | IV Response Limited | Allocated | 2005-07-04 |
| 0114 3440000 – 0114 3449999 | Citrus Telecommunications Ltd | Allocated | 2005-08-02 |
| 0114 3450000 – 0114 3459999 | TTNC Limited | Allocated | 2013-11-14 |
| 0114 3460000 – 0114 3469999 | Digital Space Group Limited | Allocated | 2016-04-12 |
| 0114 3480000 – 0114 3489999 | Sky UK Limited | Allocated | 2013-06-20 |
| 0114 3490000 – 0114 3499999 | BT | Allocated | 2014-01-02 |
| 0114 3500000 – 0114 3509999 | Voiceflex Limited | Allocated | 2007-07-26 |
| 0114 3520000 – 0114 3529999 | Voxbone SA | Allocated | 2007-10-25 |
| 0114 3540000 – 0114 3549999 | VoIP-Un Limited | Allocated | 2007-10-24 |
| 0114 3560000 – 0114 3569999 | Net-Work Internet Ltd | Allocated | 2007-09-21 |
| 0114 3570000 – 0114 3579999 | Nationwide Telephone Assistance Ltd | Allocated | 2007-10-22 |
| 0114 3580000 – 0114 3589999 | Vodafone Ltd (C&W) | Allocated | 2013-07-19 |
| 0114 3590000 – 0114 3599999 | (AQ) LIMITED | Allocated | 2012-09-10 |
| 0114 3600000 – 0114 3609999 | Vodafone Ltd (C&W) | Allocated | 2013-07-19 |
| 0114 3610000 – 0114 3619999 | Entanet International Ltd | Allocated | 2007-12-20 |
| 0114 3620000 – 0114 3629999 | Digital Space Group Limited | Allocated | 2016-03-15 |
| 0114 3630000 – 0114 3639999 | Digital Space Group Limited | Allocated | 2007-11-29 |
| 0114 3640000 – 0114 3649999 | ETC Telecom Limited | Allocated | 2008-02-06 |
| 0114 3650000 – 0114 3659999 | Telecom2 Limited | Allocated | 2009-09-01 |
| 0114 3680000 – 0114 3689999 | Nodemax Limited | Allocated | 2008-05-21 |
| 0114 3690000 – 0114 3699999 | Exa Networks Limited | Allocated | 2008-07-03 |
| 0114 3700000 – 0114 3709999 | 24 Seven Cloud Communications Ltd | Allocated | 2019-09-30 |
| 0114 3720000 – 0114 3729999 | TeleWare Group Limited | Allocated | 2013-02-21 |
| 0114 3730000 – 0114 3739999 | Chess Limited | Allocated | 2018-04-06 |
| 0114 3740000 – 0114 3749999 | Mars Communications Limited | Allocated | 2009-02-06 |
| 0114 3750000 – 0114 3759999 | Wifinity Limited | Allocated | 2009-02-20 |
| 0114 3760000 – 0114 3769999 | Andrews & Arnold (Numbers) Ltd | Allocated | 2009-02-24 |
| 0114 3770000 – 0114 3779999 | Telecoms World Limited | Allocated | 2009-03-05 |
| 0114 3780000 – 0114 3789999 | Core Telecom Limited | Allocated | 2009-03-09 |
| 0114 3790000 – 0114 3799999 | Nexus Telecommunications Limited | Allocated | 2009-04-07 |
| 0114 3810000 – 0114 3819999 | Pulsant (Scotland) Limited | Allocated | 2009-02-17 |
| 0114 3820000 – 0114 3829999 | Solutios Limited | Allocated | 2008-08-19 |
| 0114 3830000 – 0114 3839999 | Inet Telecoms Ltd (Voipfone) | Allocated | 2008-07-11 |
| 0114 3840000 – 0114 3849999 | GCI Network Solutions Limited | Allocated | 2017-04-19 |
| 0114 3860000 – 0114 3869999 | Magrathea Telecommunications Limited | Allocated | 2010-05-05 |
| 0114 3870000 – 0114 3879999 | Gamma Telecom Holdings Limited | Allocated | 2021-03-11 |
| 0114 3880000 – 0114 3889999 | CFL Communications Ltd | Allocated | 2009-07-07 |
| 0114 3890000 – 0114 3899999 | Dynamic Mobile Billing Limited | Allocated | 2009-04-09 |
| 0114 3910000 – 0114 3919999 | OVH Limited | Allocated | 2009-07-17 |
| 0114 3920000 – 0114 3929999 | Belgacom International Carrier Services SA | Allocated | 2016-06-20 |
| 0114 3930000 – 0114 3939999 | Hello Telecom (UK) Limited | Allocated | 2009-07-20 |
| 0114 3950000 – 0114 3959999 | Ziron Limited | Allocated | 2012-06-20 |
| 0114 3970000 – 0114 3979999 | 8x8 UK Limited | Allocated | 2009-12-11 |
| 0114 3980000 – 0114 3989999 | Nuso Cloud UK Limited | Allocated | 2010-01-12 |
| 0114 3990000 – 0114 3999999 | Gamma Telecom Holdings Limited | Allocated | 2010-01-18 |
| 0114 3020000 – 0114 3029999 | Not listed | Protected | Not recorded |
| 0114 3110000 – 0114 3119999 | Not listed | Protected | Not recorded |
| 0114 3140000 – 0114 3149999 | Not listed | Protected | Not recorded |
| 0114 3160000 – 0114 3169999 | Not listed | Protected | Not recorded |
| 0114 3200000 – 0114 3209999 | Not listed | Protected | Not recorded |
| 0114 3400000 – 0114 3409999 | Not listed | Protected | Not recorded |
| 0114 3470000 – 0114 3479999 | Not listed | Protected | Not recorded |
| 0114 3510000 – 0114 3519999 | Not listed | Protected | Not recorded |
| 0114 3530000 – 0114 3539999 | Not listed | Protected | Not recorded |
| 0114 3550000 – 0114 3559999 | Not listed | Protected | Not recorded |
| 0114 3660000 – 0114 3669999 | Not listed | Protected | Not recorded |
| 0114 3670000 – 0114 3679999 | Not listed | Protected | Not recorded |
| 0114 3710000 – 0114 3719999 | Not listed | Quarantined | Not recorded |
| 0114 3800000 – 0114 3809999 | Not listed | Protected | Not recorded |
| 0114 3850000 – 0114 3859999 | Not listed | Protected | Not recorded |
| 0114 3900000 – 0114 3909999 | Not listed | Quarantined | Not recorded |
| 0114 3940000 – 0114 3949999 | Not listed | Protected | Not recorded |
| 0114 3960000 – 0114 3969999 | Not listed | Protected | Not recorded |
01143 allocation
Blocks whose local number starts with 3 under Sheffield (0114): 820,000 allocated numbers in 82 blocks.
- Allocated
- 820,000 numbers · 82 blocks
- Protected
- 160,000 numbers · 16 blocks
- Quarantined
- 20,000 numbers · 2 blocks
Holders of 0114 3 numbers
Gamma Telecom Holdings Limited holds 6.0% of the allocated numbers (40,000 numbers, 4 blocks).
| Holder | Share | Numbers | Blocks | Earliest allocation |
|---|---|---|---|---|
| Gamma Telecom Holdings Limited | 6.0% | 40,000 | 4 | 2004-04-05 |
| Vodafone Ltd (C&W) | 4.9% | 40,000 | 4 | 2013-06-18 |
| Digital Space Group Limited | 3.7% | 30,000 | 3 | 2007-11-29 |
| GCI Network Solutions Limited | 3.7% | 30,000 | 3 | 2017-04-19 |
| Virgin Media Limited | 3.7% | 30,000 | 3 | 2006-01-12 |
| BT | 2.4% | 20,000 | 2 | 2014-01-02 |
| Barritel Limited | 2.4% | 20,000 | 2 | 2006-02-13 |
| TalkTalk Communications Limited | 2.4% | 20,000 | 2 | 2005-05-25 |
| (AQ) LIMITED | 1.2% | 10,000 | 1 | 2012-09-10 |
| 24 Seven Cloud Communications Ltd | 1.2% | 10,000 | 1 | 2019-09-30 |
| 8x8 UK Limited | 1.2% | 10,000 | 1 | 2009-12-11 |
| AQL Wholesale Ltd | 1.2% | 10,000 | 1 | 2004-10-29 |
| Alphatalk Limited | 1.2% | 10,000 | 1 | 2014-01-31 |
| Andrews & Arnold (Numbers) Ltd | 1.2% | 10,000 | 1 | 2009-02-24 |
| Belgacom International Carrier Services SA | 1.2% | 10,000 | 1 | 2016-06-20 |
| CFL Communications Ltd | 1.2% | 10,000 | 1 | 2009-07-07 |
| Chess Limited | 1.2% | 10,000 | 1 | 2018-04-06 |
| Citrus Telecommunications Ltd | 1.2% | 10,000 | 1 | 2005-08-02 |
| Commi Holdings Limited | 1.2% | 10,000 | 1 | 2016-11-21 |
| Core Telecom Limited | 1.2% | 10,000 | 1 | 2009-03-09 |
| Digital Mail Limited | 1.2% | 10,000 | 1 | 2006-01-13 |
| Digitech Solutions Global Limited | 1.2% | 10,000 | 1 | 2012-06-26 |
| Dynamic Mobile Billing Limited | 1.2% | 10,000 | 1 | 2009-04-09 |
| ETC Telecom Limited | 1.2% | 10,000 | 1 | 2008-02-06 |
| Entanet International Ltd | 1.2% | 10,000 | 1 | 2007-12-20 |
| Exa Networks Limited | 1.2% | 10,000 | 1 | 2008-07-03 |
| Flextel Limited | 1.2% | 10,000 | 1 | 2005-10-18 |
| Fluency Communications Ltd | 1.2% | 10,000 | 1 | 2013-10-07 |
| GTT-EMEA LTD | 1.2% | 10,000 | 1 | 2021-10-13 |
| Hello Telecom (UK) Limited | 1.2% | 10,000 | 1 | 2009-07-20 |
| IV Response Limited | 1.2% | 10,000 | 1 | 2005-07-04 |
| Inet Telecoms Ltd (Voipfone) | 1.2% | 10,000 | 1 | 2008-07-11 |
| Invade International Ltd | 1.2% | 10,000 | 1 | 2016-01-13 |
| Localphone Limited | 1.2% | 10,000 | 1 | 2007-04-24 |
| M247 Ltd | 1.2% | 10,000 | 1 | 2015-05-18 |
| Magrathea Telecommunications Limited | 1.2% | 10,000 | 1 | 2010-05-05 |
| Mars Communications Limited | 1.2% | 10,000 | 1 | 2009-02-06 |
| Nationwide Telephone Assistance Ltd | 1.2% | 10,000 | 1 | 2007-10-22 |
| Net-Work Internet Ltd | 1.2% | 10,000 | 1 | 2007-09-21 |
| Nexus Telecommunications Limited | 1.2% | 10,000 | 1 | 2009-04-07 |
| Nodemax Limited | 1.2% | 10,000 | 1 | 2008-05-21 |
| Nuso Cloud UK Limited | 1.2% | 10,000 | 1 | 2010-01-12 |
| OVH Limited | 1.2% | 10,000 | 1 | 2009-07-17 |
| Pulsant (Scotland) Limited | 1.2% | 10,000 | 1 | 2009-02-17 |
| Resilient Limited | 1.2% | 10,000 | 1 | 2006-11-29 |
| Served Up Limited | 1.2% | 10,000 | 1 | 2008-05-09 |
| Simwood eSMS Limited | 1.2% | 10,000 | 1 | 2006-07-18 |
| Six Degrees Technology Group Limited | 1.2% | 10,000 | 1 | 2020-01-14 |
| Sky UK Limited | 1.2% | 10,000 | 1 | 2013-06-20 |
| Solutios Limited | 1.2% | 10,000 | 1 | 2008-08-19 |
| Spitfire Network Services Limited | 1.2% | 10,000 | 1 | 2006-06-27 |
| Syntec Limited | 1.2% | 10,000 | 1 | 2005-03-22 |
| TGL Services (UK) Ltd | 1.2% | 10,000 | 1 | 2015-02-02 |
| TTNC Limited | 1.2% | 10,000 | 1 | 2013-11-14 |
| TelNG Limited | 1.2% | 10,000 | 1 | 2007-02-26 |
| TelXL Limited | 1.2% | 10,000 | 1 | 2005-04-25 |
| TeleWare Group Limited | 1.2% | 10,000 | 1 | 2013-02-21 |
| Telecom2 Limited | 1.2% | 10,000 | 1 | 2009-09-01 |
| Telecoms World Limited | 1.2% | 10,000 | 1 | 2009-03-05 |
| Tuxtel Ltd | 1.2% | 10,000 | 1 | 2009-11-06 |
| VoIP-Un Limited | 1.2% | 10,000 | 1 | 2007-10-24 |
| VoiceHost Limited | 1.2% | 10,000 | 1 | 2010-06-30 |
| Voiceflex Limited | 1.2% | 10,000 | 1 | 2007-07-26 |
| Voicetec Systems Ltd | 1.2% | 10,000 | 1 | 2006-06-22 |
| Voxbone SA | 1.2% | 10,000 | 1 | 2007-10-25 |
| Wifinity Limited | 1.2% | 10,000 | 1 | 2009-02-20 |
| Ziron Limited | 1.2% | 10,000 | 1 | 2012-06-20 |
Weekly changes for 01143
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.
01143 source: Ofcom s1.csv, published 14 Oct 2026. Download 0114 3 blocks (CSV). Contains Ofcom copyright material.
Source detail · 01143
| Claim | Value | Identifier |
|---|---|---|
| allocated_numbers | 820000 | subcode:0114-3:allocated_numbers:fc227d9e:v1 |
| allocated_records | 82 | subcode:0114-3:allocated_records:fc227d9e:v1 |
| listed_holders | 67 | subcode:0114-3:listed_holders:fc227d9e:v1 |
| area_code | 0114 | subcode:0114-3:area_code:fc227d9e:v1 |
| first_digit | 3 | subcode:0114-3:first_digit:fc227d9e:v1 |
| snapshot_date | 14 Oct 2026 | subcode:0114-3:snapshot_date:fc227d9e:v1 |