0201 area code: London numbers starting 020 1
0201 is not a separate area code. It is London (020) followed by local numbers starting 1.
640,000 numbers are allocated in 64 blocks to 11 listed holders (Ofcom, 14 Oct 2026).
Check a 0201 number privately
Number ranges registered under 020 1
| Number range | Listed holder | Status | Allocation date |
|---|---|---|---|
| 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 |
| 020 12300000 – 020 12309999 | Colt Technology Services | Allocated | 2010-07-21 |
| 020 12330000 – 020 12339999 | Vodafone Ltd (C&W) | Allocated | 2013-09-09 |
| 020 12340000 – 020 12349999 | Vodafone Ltd (C&W) | Allocated | 2013-09-09 |
| 020 12350000 – 020 12359999 | Vodafone Ltd (C&W) | Allocated | 2013-09-09 |
| 020 12400000 – 020 12409999 | Gamma Telecom Holdings Limited | Allocated | 2008-09-18 |
| 020 18660000 – 020 18669999 | Colt Technology Services | Allocated | 2007-09-04 |
| 020 10010000 – 020 10019999 | Not listed | Protected | Not recorded |
| 020 10040000 – 020 10049999 | Not listed | Protected | Not recorded |
| 020 10050000 – 020 10059999 | Not listed | Protected | Not recorded |
| 020 10060000 – 020 10069999 | Not listed | Protected | Not recorded |
| 020 10080000 – 020 10089999 | Not listed | Protected | Not recorded |
| 020 10110000 – 020 10119999 | Not listed | Protected | Not recorded |
| 020 10130000 – 020 10139999 | Not listed | Protected | Not recorded |
| 020 10140000 – 020 10149999 | Not listed | Quarantined | Not recorded |
| 020 10150000 – 020 10159999 | Not listed | Protected | Not recorded |
| 020 10160000 – 020 10169999 | Not listed | Protected | Not recorded |
| 020 10180000 – 020 10189999 | Not listed | Protected | Not recorded |
| 020 10200000 – 020 10209999 | Not listed | Protected | Not recorded |
| 020 10210000 – 020 10219999 | Not listed | Protected | Not recorded |
| 020 10220000 – 020 10229999 | Not listed | Protected | Not recorded |
| 020 10230000 – 020 10239999 | Not listed | Protected | Not recorded |
| 020 10250000 – 020 10259999 | Not listed | Protected | Not recorded |
| 020 10260000 – 020 10269999 | Not listed | Protected | Not recorded |
| 020 10270000 – 020 10279999 | Not listed | Protected | Not recorded |
| 020 10280000 – 020 10289999 | Not listed | Protected | Not recorded |
| 020 10300000 – 020 10309999 | Not listed | Protected | Not recorded |
| 020 10310000 – 020 10319999 | Not listed | Protected | Not recorded |
| 020 10320000 – 020 10329999 | Not listed | Protected | Not recorded |
| 020 10330000 – 020 10339999 | Not listed | Protected | Not recorded |
| 020 10340000 – 020 10349999 | Not listed | Protected | Not recorded |
| 020 10350000 – 020 10359999 | Not listed | Protected | Not recorded |
| 020 10360000 – 020 10369999 | Not listed | Protected | Not recorded |
| 020 10370000 – 020 10379999 | Not listed | Protected | Not recorded |
| 020 10380000 – 020 10389999 | Not listed | Protected | Not recorded |
| 020 10390000 – 020 10399999 | Not listed | Protected | Not recorded |
| 020 10400000 – 020 10409999 | Not listed | Protected | Not recorded |
| 020 10410000 – 020 10419999 | Not listed | Protected | Not recorded |
| 020 10420000 – 020 10429999 | Not listed | Protected | Not recorded |
| 020 10430000 – 020 10439999 | Not listed | Protected | Not recorded |
| 020 10440000 – 020 10449999 | Not listed | Protected | Not recorded |
| 020 10450000 – 020 10459999 | Not listed | Protected | Not recorded |
| 020 10460000 – 020 10469999 | Not listed | Protected | Not recorded |
900 more ranges — full list in CSV.
0201 allocation
Blocks whose local number starts with 1 under London (020): 640,000 allocated numbers in 64 blocks.
- Allocated
- 640,000 numbers · 64 blocks
- Protected
- 9,340,000 numbers · 934 blocks
- Quarantined
- 20,000 numbers · 2 blocks
Holders of 020 1 numbers
Vodafone Ltd (C&W) holds 34.1% of the allocated numbers (220,000 numbers, 22 blocks).
| Holder | Share | Numbers | Blocks | Earliest allocation |
|---|---|---|---|---|
| Vodafone Ltd (C&W) | 34.1% | 220,000 | 22 | 2013-09-09 |
| Colt Technology Services | 23.4% | 150,000 | 15 | 1999-03-22 |
| BT | 14.1% | 90,000 | 9 | 1999-03-22 |
| GCI Network Solutions Limited | 9.4% | 60,000 | 6 | 2017-05-03 |
| Virgin Media Limited | 9.4% | 60,000 | 6 | 1999-03-22 |
| 4D Interactive Ltd | 1.6% | 10,000 | 1 | 1999-04-16 |
| Digital Space Group Limited | 1.6% | 10,000 | 1 | 2016-03-15 |
| Gamma Telecom Holdings Limited | 1.6% | 10,000 | 1 | 2008-09-18 |
| KDDI Europe Ltd | 1.6% | 10,000 | 1 | 1999-03-22 |
| Resilient Limited | 1.6% | 10,000 | 1 | 2011-09-08 |
| Six Degrees Technology Group Limited | 1.6% | 10,000 | 1 | 2020-04-17 |
Weekly changes for 0201
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 020 London. Methodology.
0201 source: Ofcom s1.csv, published 14 Oct 2026. Download 020 1 blocks (CSV). Contains Ofcom copyright material.
Source detail · 0201
| Claim | Value | Identifier |
|---|---|---|
| allocated_numbers | 640000 | subcode:020-1:allocated_numbers:fc227d9e:v1 |
| allocated_records | 64 | subcode:020-1:allocated_records:fc227d9e:v1 |
| listed_holders | 11 | subcode:020-1:listed_holders:fc227d9e:v1 |
| area_code | 020 | subcode:020-1:area_code:fc227d9e:v1 |
| first_digit | 1 | subcode:020-1:first_digit:fc227d9e:v1 |
| snapshot_date | 14 Oct 2026 | subcode:020-1:snapshot_date:fc227d9e:v1 |