01138 area code: Leeds numbers starting 0113 8

01138 is not a separate area code. It is Leeds (0113) followed by local numbers starting 8.

820,000 numbers are allocated in 82 blocks to 62 listed holders (Ofcom, 14 Oct 2026).

Check a 01138 number privately

Number ranges registered under 0113 8

0113 8 blocks: holder, status and allocation date
Number rangeListed holderStatusAllocation date
0113 8000000 – 0113 8009999 Digital Mail Limited Allocated 2006-01-13
0113 8010000 – 0113 8019999 Alphatalk Limited Allocated 2014-01-31
0113 8030000 – 0113 8039999 Barritel Limited Allocated 2006-02-13
0113 8040000 – 0113 8049999 Vodafone Ltd (C&W) Allocated 2013-06-18
0113 8050000 – 0113 8059999 Sky UK Limited Allocated 2013-06-20
0113 8060000 – 0113 8069999 Voicetec Systems Ltd Allocated 2006-06-22
0113 8070000 – 0113 8079999 BT Allocated 2006-07-07
0113 8080000 – 0113 8089999 Sky UK Limited Allocated 2013-06-20
0113 8090000 – 0113 8099999 RingGo Limited Allocated 2006-06-14
0113 8110000 – 0113 8119999 Alphatalk Limited Allocated 2014-01-31
0113 8120000 – 0113 8129999 Vodafone Ltd (C&W) Allocated 2021-11-15
0113 8150000 – 0113 8159999 Vodafone Ltd (C&W) Allocated 2013-07-19
0113 8160000 – 0113 8169999 BT Allocated 2007-01-18
0113 8170000 – 0113 8179999 Pulsant (Scotland) Limited Allocated 2009-02-17
0113 8180000 – 0113 8189999 Spitfire Network Services Limited Allocated 2006-06-27
0113 8190000 – 0113 8199999 BT Allocated 2007-03-20
0113 8200000 – 0113 8209999 Vodafone Ltd (C&W) Allocated 2013-07-19
0113 8210000 – 0113 8219999 BT Allocated 2007-09-28
0113 8230000 – 0113 8239999 BT Allocated 2008-02-05
0113 8240000 – 0113 8249999 BT Allocated 2008-02-05
0113 8250000 – 0113 8259999 BT Allocated 2008-02-05
0113 8260000 – 0113 8269999 BT Allocated 2008-02-05
0113 8270000 – 0113 8279999 Telappliant Limited Allocated 2009-02-03
0113 8280000 – 0113 8289999 Entanet International Ltd Allocated 2007-12-14
0113 8290000 – 0113 8299999 TeleWare Group Limited Allocated 2013-02-21
0113 8300000 – 0113 8309999 Localphone Limited Allocated 2007-04-24
0113 8310000 – 0113 8319999 Voiceflex Limited Allocated 2007-07-26
0113 8320000 – 0113 8329999 Wifinity Limited Allocated 2009-02-20
0113 8330000 – 0113 8339999 Vonage Business Limited Allocated 2023-04-14
0113 8340000 – 0113 8349999 Magrathea Telecommunications Limited Allocated 2010-05-05
0113 8350000 – 0113 8359999 Dynamic Mobile Billing Limited Allocated 2009-04-09
0113 8360000 – 0113 8369999 CFL Communications Ltd Allocated 2009-07-07
0113 8370000 – 0113 8379999 Telecoms World Limited Allocated 2009-03-05
0113 8380000 – 0113 8389999 Resilient Limited Allocated 2006-11-29
0113 8410000 – 0113 8419999 Gamma Telecom Holdings Limited Allocated 2021-03-11
0113 8430000 – 0113 8439999 Virgin Media Limited Allocated 2009-03-12
0113 8440000 – 0113 8449999 Nuso Cloud UK Limited Allocated 2010-01-12
0113 8450000 – 0113 8459999 GCI Network Solutions Limited Allocated 2024-02-26
0113 8470000 – 0113 8479999 Jtec UK Limited Allocated 2011-07-26
0113 8480000 – 0113 8489999 VoIP-Un Limited Allocated 2007-10-24
0113 8490000 – 0113 8499999 Exa Networks Limited Allocated 2008-07-03
0113 8500000 – 0113 8509999 Nodemax Limited Allocated 2008-05-21
0113 8510000 – 0113 8519999 Business Broadcast Communications Limited Allocated 2009-10-16
0113 8530000 – 0113 8539999 Barritel Limited Allocated 2022-11-17
0113 8540000 – 0113 8549999 Ccpro Solutions Limited Allocated 2009-06-03
0113 8550000 – 0113 8559999 Virgin Media Limited Allocated 2008-02-12
0113 8560000 – 0113 8569999 Ziron Limited Allocated 2012-06-20
0113 8570000 – 0113 8579999 WightFibre Limited Allocated 2009-12-04
0113 8580000 – 0113 8589999 TelNG Limited Allocated 2007-02-26
0113 8590000 – 0113 8599999 (AQ) LIMITED Allocated 2012-09-10
0113 8610000 – 0113 8619999 Swiftnet Limited Allocated 2010-02-03
0113 8630000 – 0113 8639999 Hello Telecom (UK) Limited Allocated 2009-07-20
0113 8640000 – 0113 8649999 OVH Limited Allocated 2009-07-17
0113 8650000 – 0113 8659999 Andrews & Arnold (Numbers) Ltd Allocated 2009-02-24
0113 8660000 – 0113 8669999 Vodafone Ltd (C&W) Allocated 2013-07-19
0113 8670000 – 0113 8679999 8x8 UK Limited Allocated 2009-12-14
0113 8680000 – 0113 8689999 Voxbone SA Allocated 2007-10-25
0113 8690000 – 0113 8699999 ICC Networks Ltd Allocated 2010-03-10
0113 8700000 – 0113 8709999 Core Telecom Limited Allocated 2009-03-09
0113 8710000 – 0113 8719999 Liquid 11 Limited Allocated 2010-04-26
0113 8730000 – 0113 8739999 Buzz Networks Limited Allocated 2010-02-24
0113 8750000 – 0113 8759999 Atomstream Limited Allocated 2010-02-25
0113 8760000 – 0113 8769999 Commi Holdings Limited Allocated 2016-11-21
0113 8770000 – 0113 8779999 Andrews & Arnold Ltd Allocated 2007-04-13
0113 8800000 – 0113 8809999 Inet Telecoms Ltd (Voipfone) Allocated 2008-08-08
0113 8810000 – 0113 8819999 GCI Network Solutions Limited Allocated 2023-12-20
0113 8820000 – 0113 8829999 GCI Network Solutions Limited Allocated 2023-12-20
0113 8830000 – 0113 8839999 Digital Space Group Limited Allocated 2007-11-29
0113 8840000 – 0113 8849999 ETC Telecom Limited Allocated 2008-02-06
0113 8860000 – 0113 8869999 Chess Limited Allocated 2018-04-06
0113 8870000 – 0113 8879999 Gamma Telecom Holdings Limited Allocated 2008-10-13
0113 8880000 – 0113 8889999 24 Seven Cloud Communications Ltd Allocated 2019-09-13
0113 8890000 – 0113 8899999 Mars Communications Limited Allocated 2009-02-05
0113 8910000 – 0113 8919999 Digitech Solutions Global Limited Allocated 2010-03-17
0113 8920000 – 0113 8929999 Datazero Ltd Allocated 2010-11-02
0113 8930000 – 0113 8939999 Resilient Limited Allocated 2009-11-04
0113 8940000 – 0113 8949999 IM Software Ltd Allocated 2012-03-20
0113 8950000 – 0113 8959999 Suretec Systems Ltd Allocated 2010-04-29
0113 8960000 – 0113 8969999 Numbers Telecom Limited Allocated 2015-12-01
0113 8970000 – 0113 8979999 Invosys Limited Allocated 2012-05-17
0113 8980000 – 0113 8989999 Nationwide Telephone Assistance Ltd Allocated 2007-10-02
0113 8990000 – 0113 8999999 24 Seven Cloud Communications Ltd Allocated 2019-09-13
0113 8020000 – 0113 8029999 Not listed Protected Not recorded
0113 8100000 – 0113 8109999 Not listed Protected Not recorded
0113 8130000 – 0113 8139999 Not listed Quarantined Not recorded
0113 8140000 – 0113 8149999 Not listed Protected Not recorded
0113 8220000 – 0113 8229999 Not listed Protected Not recorded
0113 8390000 – 0113 8399999 Not listed Protected Not recorded
0113 8400000 – 0113 8409999 Not listed Protected Not recorded
0113 8420000 – 0113 8429999 Not listed Protected Not recorded
0113 8460000 – 0113 8469999 Not listed Quarantined Not recorded
0113 8520000 – 0113 8529999 Not listed Protected Not recorded
0113 8600000 – 0113 8609999 Not listed Protected Not recorded
0113 8620000 – 0113 8629999 Not listed Protected Not recorded
0113 8720000 – 0113 8729999 Not listed Protected Not recorded
0113 8740000 – 0113 8749999 Not listed Quarantined Not recorded
0113 8780000 – 0113 8789999 Not listed Protected Not recorded
0113 8790000 – 0113 8799999 Not listed Protected Not recorded
0113 8850000 – 0113 8859999 Not listed Protected Not recorded
0113 8900000 – 0113 8909999 Not listed Protected Not recorded

Download all 100 ranges (CSV).

01138 allocation

Blocks whose local number starts with 8 under Leeds (0113): 820,000 allocated numbers in 82 blocks.

Allocated
820,000 numbers · 82 blocks
Protected
150,000 numbers · 15 blocks
Quarantined
30,000 numbers · 3 blocks

Holders of 0113 8 numbers

BT holds 11.0% of the allocated numbers (80,000 numbers, 8 blocks).

Listed holders of 0113 8 by share of allocated numbers · 14 Oct 2026
HolderShareNumbersBlocksEarliest allocation
BT11.0%80,00082006-07-07
Vodafone Ltd (C&W)6.1%50,00052013-06-18
GCI Network Solutions Limited3.7%30,00032023-12-20
24 Seven Cloud Communications Ltd2.4%20,00022019-09-13
Alphatalk Limited2.4%20,00022014-01-31
Barritel Limited2.4%20,00022006-02-13
Gamma Telecom Holdings Limited2.4%20,00022008-10-13
Resilient Limited2.4%20,00022006-11-29
Sky UK Limited2.4%20,00022013-06-20
Virgin Media Limited2.4%20,00022008-02-12
(AQ) LIMITED1.2%10,00012012-09-10
8x8 UK Limited1.2%10,00012009-12-14
Andrews & Arnold (Numbers) Ltd1.2%10,00012009-02-24
Andrews & Arnold Ltd1.2%10,00012007-04-13
Atomstream Limited1.2%10,00012010-02-25
Business Broadcast Communications Limited1.2%10,00012009-10-16
Buzz Networks Limited1.2%10,00012010-02-24
CFL Communications Ltd1.2%10,00012009-07-07
Ccpro Solutions Limited1.2%10,00012009-06-03
Chess Limited1.2%10,00012018-04-06
Commi Holdings Limited1.2%10,00012016-11-21
Core Telecom Limited1.2%10,00012009-03-09
Datazero Ltd1.2%10,00012010-11-02
Digital Mail Limited1.2%10,00012006-01-13
Digital Space Group Limited1.2%10,00012007-11-29
Digitech Solutions Global Limited1.2%10,00012010-03-17
Dynamic Mobile Billing Limited1.2%10,00012009-04-09
ETC Telecom Limited1.2%10,00012008-02-06
Entanet International Ltd1.2%10,00012007-12-14
Exa Networks Limited1.2%10,00012008-07-03
Hello Telecom (UK) Limited1.2%10,00012009-07-20
ICC Networks Ltd1.2%10,00012010-03-10
IM Software Ltd1.2%10,00012012-03-20
Inet Telecoms Ltd (Voipfone)1.2%10,00012008-08-08
Invosys Limited1.2%10,00012012-05-17
Jtec UK Limited1.2%10,00012011-07-26
Liquid 11 Limited1.2%10,00012010-04-26
Localphone Limited1.2%10,00012007-04-24
Magrathea Telecommunications Limited1.2%10,00012010-05-05
Mars Communications Limited1.2%10,00012009-02-05
Nationwide Telephone Assistance Ltd1.2%10,00012007-10-02
Nodemax Limited1.2%10,00012008-05-21
Numbers Telecom Limited1.2%10,00012015-12-01
Nuso Cloud UK Limited1.2%10,00012010-01-12
OVH Limited1.2%10,00012009-07-17
Pulsant (Scotland) Limited1.2%10,00012009-02-17
RingGo Limited1.2%10,00012006-06-14
Spitfire Network Services Limited1.2%10,00012006-06-27
Suretec Systems Ltd1.2%10,00012010-04-29
Swiftnet Limited1.2%10,00012010-02-03
TelNG Limited1.2%10,00012007-02-26
Telappliant Limited1.2%10,00012009-02-03
TeleWare Group Limited1.2%10,00012013-02-21
Telecoms World Limited1.2%10,00012009-03-05
VoIP-Un Limited1.2%10,00012007-10-24
Voiceflex Limited1.2%10,00012007-07-26
Voicetec Systems Ltd1.2%10,00012006-06-22
Vonage Business Limited1.2%10,00012023-04-14
Voxbone SA1.2%10,00012007-10-25
Wifinity Limited1.2%10,00012009-02-20
WightFibre Limited1.2%10,00012009-12-04
Ziron Limited1.2%10,00012012-06-20

Weekly changes for 01138

0 block changes from 19 Aug 2026 to 17 Oct 2026. Each week counts a block once.

01138 weekly changes since 19 Aug 2026
FromToChanged blocks
2026-08-192026-08-260
2026-08-262026-09-020
2026-09-022026-09-090
2026-09-092026-09-160
2026-09-162026-09-240
2026-09-242026-09-300
2026-09-302026-10-070
2026-10-072026-10-170

These numbers belong to 0113 Leeds. Methodology.

01138 source: Ofcom s1.csv, published 14 Oct 2026. Download 0113 8 blocks (CSV). Contains Ofcom copyright material.

Source detail · 01138
01138 claim identifiers · release fc227d9e
ClaimValueIdentifier
allocated_numbers820000subcode:0113-8:allocated_numbers:fc227d9e:v1
allocated_records82subcode:0113-8:allocated_records:fc227d9e:v1
listed_holders62subcode:0113-8:listed_holders:fc227d9e:v1
area_code0113subcode:0113-8:area_code:fc227d9e:v1
first_digit8subcode:0113-8:first_digit:fc227d9e:v1
snapshot_date14 Oct 2026subcode:0113-8:snapshot_date:fc227d9e:v1