020 London area code

020 covers London: 31,350,000 numbers allocated in 3,135 blocks to 240 listed holders (Ofcom, 14 Oct 2026).

Check a 020 number privately

Number ranges registered under 020

020 number ranges, holders and allocation dates
Number range	Listed holder	Status	Allocation date
020 00000000 – 020 00009999	Vodafone Ltd (C&W)	Allocated	2019-04-01
020 00010000 – 020 00019999	Citrus Telecommunications Ltd	Allocated	2002-08-30
020 00020000 – 020 00029999	Barritel Limited	Allocated	2007-06-21
020 00030000 – 020 00039999	Six Degrees Technology Group Limited	Allocated	2020-04-17
020 00040000 – 020 00049999	Atlas Interactive Group Limited	Allocated	2008-05-22
020 00050000 – 020 00059999	Simwood eSMS Limited	Allocated	2026-06-29
020 00060000 – 020 00069999	DRD Communications Limited	Allocated	2023-10-05
020 00070000 – 020 00079999	Virgin Media Limited	Allocated	2013-02-21
020 00080000 – 020 00089999	Virgin Media Limited	Allocated	2013-10-28
020 00090000 – 020 00099999	Colt Technology Services	Allocated	2019-11-12
020 00100000 – 020 00109999	Internet of Things Limited	Allocated	2021-07-13
020 00110000 – 020 00119999	TalkTalk Communications Limited	Allocated	2003-10-09
020 00160000 – 020 00169999	Virgin Media Limited	Allocated	2016-03-16
020 00170000 – 020 00179999	Vodafone Ltd (C&W)	Allocated	2018-06-29
020 00180000 – 020 00189999	Vodafone Ltd (C&W)	Allocated	2018-06-29
020 00190000 – 020 00199999	Vodafone Ltd (C&W)	Allocated	2018-06-29
020 00200000 – 020 00209999	Andrews & Arnold (Numbers) Ltd	Allocated	2010-05-18
020 00240000 – 020 00249999	Vodafone Ltd (C&W)	Allocated	2014-07-04
020 00250000 – 020 00259999	Vodafone Ltd (C&W)	Allocated	2014-07-04
020 00260000 – 020 00269999	Vodafone Ltd (C&W)	Allocated	2014-07-04
020 00270000 – 020 00279999	Vodafone Ltd (C&W)	Allocated	2014-07-04
020 00280000 – 020 00289999	Vodafone Ltd (C&W)	Allocated	2014-07-04
020 00290000 – 020 00299999	Vodafone Ltd (C&W)	Allocated	2014-07-04
020 01000000 – 020 01009999	Buzz Networks Limited	Allocated	1999-11-02
020 01010000 – 020 01019999	Dynamic Mobile Billing Limited	Allocated	2004-03-30
020 01020000 – 020 01029999	Buzz Networks Limited	Allocated	2006-05-19
020 01110000 – 020 01119999	TalkTalk Communications Limited	Allocated	2003-10-09
020 01310000 – 020 01319999	Buzz Networks Limited	Allocated	2007-02-27
020 01320000 – 020 01329999	Buzz Networks Limited	Allocated	2008-08-26
020 01340000 – 020 01349999	Buzz Networks Limited	Allocated	2008-08-26
020 01880000 – 020 01889999	GCI Network Solutions Limited	Allocated	2024-02-26
020 02000000 – 020 02009999	TelXL Limited	Allocated	2004-01-15
020 02020000 – 020 02029999	TelXL Limited	Allocated	2009-06-22
020 02190000 – 020 02199999	GCI Network Solutions Limited	Allocated	2024-02-26
020 02200000 – 020 02209999	Nextec UK Limited	Allocated	2013-11-25
020 02220000 – 020 02229999	Magrathea Telecommunications Limited	Allocated	2003-02-17
020 02340000 – 020 02349999	TelXL Limited	Allocated	2024-05-09
020 03000000 – 020 03009999	Babble Cloud (SUI) Limited	Allocated	2005-03-09
020 03330000 – 020 03339999	(AQ) LIMITED	Allocated	2012-09-28
020 05000000 – 020 05009999	Syntec Limited	Allocated	2002-12-20
020 05030000 – 020 05039999	Syntec Limited	Allocated	2008-09-30
020 08880000 – 020 08889999	Flextel Limited	Allocated	2005-03-22
020 10000000 – 020 10009999	Virgin Media Limited	Allocated	2000-06-15
020 10020000 – 020 10029999	BT	Allocated	1999-10-19
020 10030000 – 020 10039999	BT	Allocated	1999-10-19
020 10070000 – 020 10079999	Virgin Media Limited	Allocated	2003-02-24
020 10090000 – 020 10099999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 10100000 – 020 10109999	Virgin Media Limited	Allocated	1999-10-19
020 10120000 – 020 10129999	Virgin Media Limited	Allocated	2006-06-22
020 10170000 – 020 10179999	Virgin Media Limited	Allocated	2006-06-22
020 10190000 – 020 10199999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 10240000 – 020 10249999	BT	Allocated	2001-04-06
020 10290000 – 020 10299999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11000000 – 020 11009999	GCI Network Solutions Limited	Allocated	2017-05-03
020 11010000 – 020 11019999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11040000 – 020 11049999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11060000 – 020 11069999	Digital Space Group Limited	Allocated	2016-03-15
020 11090000 – 020 11099999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11100000 – 020 11109999	Virgin Media Limited	Allocated	1999-03-22
020 11110000 – 020 11119999	4D Interactive Ltd	Allocated	1999-04-16
020 11140000 – 020 11149999	KDDI Europe Ltd	Allocated	1999-03-22
020 11170000 – 020 11179999	BT	Allocated	1999-03-22
020 11200000 – 020 11209999	BT	Allocated	1999-03-22
020 11290000 – 020 11299999	BT	Allocated	1999-03-22
020 11300000 – 020 11309999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11330000 – 020 11339999	Six Degrees Technology Group Limited	Allocated	2020-04-17
020 11340000 – 020 11349999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11510000 – 020 11519999	Colt Technology Services	Allocated	1999-03-22
020 11530000 – 020 11539999	BT	Allocated	1999-05-21
020 11570000 – 020 11579999	Colt Technology Services	Allocated	2002-06-26
020 11580000 – 020 11589999	Colt Technology Services	Allocated	2002-06-26
020 11590000 – 020 11599999	Resilient Limited	Allocated	2011-09-08
020 11600000 – 020 11609999	Colt Technology Services	Allocated	2003-11-13
020 11610000 – 020 11619999	Colt Technology Services	Allocated	2004-04-26
020 11620000 – 020 11629999	BT	Allocated	1999-03-22
020 11640000 – 020 11649999	BT	Allocated	2005-02-07
020 11690000 – 020 11699999	Colt Technology Services	Allocated	2004-07-15
020 11700000 – 020 11709999	Colt Technology Services	Allocated	2004-07-15
020 11710000 – 020 11719999	Colt Technology Services	Allocated	2004-08-18
020 11730000 – 020 11739999	GCI Network Solutions Limited	Allocated	2024-02-26
020 11740000 – 020 11749999	GCI Network Solutions Limited	Allocated	2024-02-26
020 11750000 – 020 11759999	Colt Technology Services	Allocated	2004-07-15
020 11780000 – 020 11789999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11790000 – 020 11799999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11800000 – 020 11809999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11820000 – 020 11829999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11830000 – 020 11839999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11860000 – 020 11869999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11870000 – 020 11879999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 11880000 – 020 11889999	GCI Network Solutions Limited	Allocated	2024-02-26
020 11950000 – 020 11959999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 12000000 – 020 12009999	Colt Technology Services	Allocated	2005-02-16
020 12010000 – 020 12019999	Colt Technology Services	Allocated	2005-02-16
020 12020000 – 020 12029999	Colt Technology Services	Allocated	2005-02-16
020 12030000 – 020 12039999	Colt Technology Services	Allocated	2005-02-16
020 12230000 – 020 12239999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 12240000 – 020 12249999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 12250000 – 020 12259999	Vodafone Ltd (C&W)	Allocated	2013-09-09
020 12270000 – 020 12279999	GCI Network Solutions Limited	Allocated	2024-02-26
020 12280000 – 020 12289999	GCI Network Solutions Limited	Allocated	2023-12-22

5,101 more ranges — full list in CSV.

020 allocation

Computed for 020: 31,350,000 allocated numbers; ≈70.29× the 446,000 median (599 active codes). Register capacity: 53,000,000 numbers in 5,201 blocks.

Allocated: 31,350,000 numbers · 3,135 blocks
Protected: 21,510,000 numbers · 2,052 blocks
Free: 50,000 numbers · 5 blocks
Quarantined: 90,000 numbers · 9 blocks
Other (Reserved or Designated): 0 numbers · 0 blocks

240 listed holders for 020

Ofcom-listed range allocation holders in the 14 Oct 2026 snapshot · alphabetical
Holder	Numbers	Blocks	Earliest allocation
(AQ) LIMITED	30,000	3	2012-09-28
10EX NET LIMITED	10,000	1	2026-09-17
24 Seven Cloud Communications Ltd	20,000	2	2019-09-13
24 Seven Communications Limited	10,000	1	2021-07-13
4D Interactive Ltd	30,000	3	1999-04-16
8x8 Communications UK Limited	10,000	1	2012-08-01
8x8 UK Limited	10,000	1	2009-12-11
9EONS LIMITED	10,000	1	2020-12-16
Adepteo Limited	10,000	1	2017-01-17
AI Comms Ltd	10,000	1	2026-01-19
Aloha Telecommunications Ltd	20,000	2	2011-08-04
Alphatalk Limited	70,000	7	2014-01-31
Andrews & Arnold (Numbers) Ltd	20,000	2	2009-02-26
Andrews & Arnold Ltd	10,000	1	2006-10-13
Annecto Telecom	20,000	2	2017-05-11
Antheus Telecom Limited	10,000	1	2017-08-15
AQL Wholesale Ltd	60,000	6	2004-11-01
Atlas Interactive Group Limited	30,000	3	2000-01-26
Atomstream Limited	10,000	1	2010-02-22
AVC One Limited	10,000	1	2014-02-12
Babble Cloud (SUI) Limited	10,000	1	2005-03-09
Barritec Limited	20,000	2	2011-09-05
Barritel Limited	20,000	2	2006-02-13
Belgacom International Carrier Services SA	20,000	2	2016-06-20
Bicom Systems EURL	20,000	2	2008-07-24
Bink Broadband Ltd	10,000	1	2015-05-18
BT	13,440,000	1344	1999-03-22
Budget Numbers Limited	10,000	1	2013-05-29
Buzz Networks Limited	80,000	8	1999-11-02
C2C Limited	10,000	1	2013-01-23
CALLABLE LIMITED	10,000	1	2024-01-19
Callitech Limited	10,000	1	2017-09-20
Callmonitor Limited	10,000	1	2004-09-27
Calltracks Limited	30,000	3	2013-09-20
Ccpro Solutions Limited	20,000	2	2009-06-03
Central Technology Limited	10,000	1	2015-07-06
CFL Communications Ltd	10,000	1	2008-08-11
Chess Limited	10,000	1	2018-04-06
CINOS LIMITED	50,000	5	2021-02-03
Cirrus Connects Limited	10,000	1	2014-02-12
Citrus Telecommunications Ltd	80,000	8	2002-08-30
Cloudcall Limited	40,000	4	2011-06-21
Colt Technology Services	2,160,000	216	1999-03-22
Commi Holdings Limited	10,000	1	2016-11-21
Comms Solutions Limited	10,000	1	2022-01-18
Connect Telecom UK Limited	20,000	2	2005-04-18
Content Guru Limited	20,000	2	2007-11-21
Convergence Group (wireless) Networks Limited	20,000	2	2013-01-07
Core Telecom Limited	30,000	3	2010-04-27
Daisy Communications Ltd	20,000	2	2010-11-03

190 more holders — CSV.

Weekly changes for 020

020 weekly changes
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	1
2026-09-24	2026-09-30	1
2026-09-30	2026-10-07	1
2026-10-07	2026-10-17	0

Latest 020 allocations · 12 months

31 blocks · 310,000 numbers.

020 latest dated allocations · year ending 14 Oct 2026 · first 8; all in CSV
Block	Allocation date	Holder
2046 57	2026-10-01	Inet Telecoms Ltd (Voipfone)
2078 04	2026-09-25	Vodafone Ltd (C&W)
2070 49	2026-09-17	10EX NET LIMITED
2038 64	2026-08-10	Colt Technology Services
2046 53	2026-08-10	Colt Technology Services
2038 65	2026-07-20	Vonage Business Limited
2039 50	2026-07-20	Vonage Business Limited
2039 83	2026-07-20	Vonage Business Limited

Called from 020? Verify independently. Methodology.

020 source: Ofcom s1.csv, published 14 Oct 2026. Download 020 values (CSV). Contains Ofcom copyright material.

Source detail · 020

020 claim identifiers · release fc227d9e
Claim	Value	Identifier
answer	London	`area:020:answer:fc227d9e:v1`
check	Private browser lookup	`area:020:check:fc227d9e:v1`
holders	240	`area:020:holders:fc227d9e:v1`
status_mix	0.5915094339622642	`area:020:status_mix:fc227d9e:v1`
history	3	`area:020:history:fc227d9e:v1`
vintage	1999	`area:020:vintage:fc227d9e:v1`
lengths	0	`area:020:lengths:fc227d9e:v1`
nearby	01998, 01999, 021, 022	`area:020:nearby:fc227d9e:v1`
what_to_do	/what-to-do-after-a-suspicious-call/	`area:020:what_to_do:fc227d9e:v1`
cite	b541ed1fa93cb667e4b82b9ca1ef0e64fc28380207e87f679a2e81ea7f1560c0	`area:020:cite:fc227d9e:v1`
allocated_numbers	31350000	`area:020:allocated_numbers:fc227d9e:v1`
listed_holders	240	`area:020:listed_holders:fc227d9e:v1`
allocated_share	0.5915094339622642	`area:020:allocated_share:fc227d9e:v1`
events_all	3	`area:020:events_all:fc227d9e:v1`
records	5201	`area:020-london:records:fc227d9e:v1`
allocated_records	3135	`area:020-london:allocated_records:fc227d9e:v1`
listed_holders	240	`area:020-london:listed_holders:fc227d9e:v1`
area_code	020	`area:020-london:area_code:fc227d9e:v1`
snapshot_date	14 Oct 2026	`area:020-london:snapshot_date:fc227d9e:v1`
status_changes	1	`area:020-london:status_changes:fc227d9e:v1`
holder_changes	3	`area:020-london:holder_changes:fc227d9e:v1`
withdrawn_blocks	0	`area:020-london:withdrawn_blocks:fc227d9e:v1`

Telephone area codes, retrieved 24 Sep 2026. Ofcom s1.csv; published 14 Oct 2026; fetched 2026-10-17 20:56 UTC; sha256 b541ed1fa93cb667e4b82b9ca1ef0e64fc28380207e87f679a2e81ea7f1560c0.