0230 area code: Southampton numbers starting 023 0
0230 is not a separate area code. It is Southampton (023) followed by local numbers starting 0.
10,000 numbers are allocated in 1 block to 1 listed holders (Ofcom, 14 Oct 2026).
Check a 0230 number privately
Number ranges registered under 023 0
| Number range | Listed holder | Status | Allocation date |
|---|---|---|---|
| 023 00010000 – 023 00019999 | Virgin Media Limited | Allocated | 2010-02-24 |
| 023 00000000 – 023 00009999 | Not listed | Protected | Not recorded |
| 023 00020000 – 023 00029999 | Not listed | Protected | Not recorded |
| 023 00030000 – 023 00039999 | Not listed | Protected | Not recorded |
| 023 00040000 – 023 00049999 | Not listed | Protected | Not recorded |
| 023 00050000 – 023 00059999 | Not listed | Protected | Not recorded |
| 023 00060000 – 023 00069999 | Not listed | Protected | Not recorded |
| 023 00070000 – 023 00079999 | Not listed | Protected | Not recorded |
| 023 00080000 – 023 00089999 | Not listed | Protected | Not recorded |
| 023 00090000 – 023 00099999 | Not listed | Protected | Not recorded |
| 023 00100000 – 023 00109999 | Not listed | Protected | Not recorded |
| 023 00110000 – 023 00119999 | Not listed | Protected | Not recorded |
| 023 00120000 – 023 00129999 | Not listed | Protected | Not recorded |
| 023 00130000 – 023 00139999 | Not listed | Protected | Not recorded |
| 023 00140000 – 023 00149999 | Not listed | Protected | Not recorded |
| 023 00150000 – 023 00159999 | Not listed | Protected | Not recorded |
| 023 00160000 – 023 00169999 | Not listed | Protected | Not recorded |
| 023 00170000 – 023 00179999 | Not listed | Protected | Not recorded |
| 023 00180000 – 023 00189999 | Not listed | Protected | Not recorded |
| 023 00190000 – 023 00199999 | Not listed | Protected | Not recorded |
| 023 00200000 – 023 00209999 | Not listed | Protected | Not recorded |
| 023 00210000 – 023 00219999 | Not listed | Protected | Not recorded |
| 023 00220000 – 023 00229999 | Not listed | Protected | Not recorded |
| 023 00230000 – 023 00239999 | Not listed | Protected | Not recorded |
| 023 00240000 – 023 00249999 | Not listed | Protected | Not recorded |
| 023 00250000 – 023 00259999 | Not listed | Protected | Not recorded |
| 023 00260000 – 023 00269999 | Not listed | Protected | Not recorded |
| 023 00270000 – 023 00279999 | Not listed | Protected | Not recorded |
| 023 00280000 – 023 00289999 | Not listed | Protected | Not recorded |
| 023 00290000 – 023 00299999 | Not listed | Protected | Not recorded |
| 023 00300000 – 023 00309999 | Not listed | Protected | Not recorded |
| 023 00310000 – 023 00319999 | Not listed | Protected | Not recorded |
| 023 00320000 – 023 00329999 | Not listed | Protected | Not recorded |
| 023 00330000 – 023 00339999 | Not listed | Protected | Not recorded |
| 023 00340000 – 023 00349999 | Not listed | Protected | Not recorded |
| 023 00350000 – 023 00359999 | Not listed | Protected | Not recorded |
| 023 00360000 – 023 00369999 | Not listed | Protected | Not recorded |
| 023 00370000 – 023 00379999 | Not listed | Protected | Not recorded |
| 023 00380000 – 023 00389999 | Not listed | Protected | Not recorded |
| 023 00390000 – 023 00399999 | Not listed | Protected | Not recorded |
| 023 00400000 – 023 00409999 | Not listed | Protected | Not recorded |
| 023 00410000 – 023 00419999 | Not listed | Protected | Not recorded |
| 023 00420000 – 023 00429999 | Not listed | Protected | Not recorded |
| 023 00430000 – 023 00439999 | Not listed | Protected | Not recorded |
| 023 00440000 – 023 00449999 | Not listed | Protected | Not recorded |
| 023 00450000 – 023 00459999 | Not listed | Protected | Not recorded |
| 023 00460000 – 023 00469999 | Not listed | Protected | Not recorded |
| 023 00470000 – 023 00479999 | Not listed | Protected | Not recorded |
| 023 00480000 – 023 00489999 | Not listed | Protected | Not recorded |
| 023 00490000 – 023 00499999 | Not listed | Protected | Not recorded |
| 023 00500000 – 023 00509999 | Not listed | Protected | Not recorded |
| 023 00510000 – 023 00519999 | Not listed | Protected | Not recorded |
| 023 00520000 – 023 00529999 | Not listed | Protected | Not recorded |
| 023 00530000 – 023 00539999 | Not listed | Protected | Not recorded |
| 023 00540000 – 023 00549999 | Not listed | Protected | Not recorded |
| 023 00550000 – 023 00559999 | Not listed | Protected | Not recorded |
| 023 00560000 – 023 00569999 | Not listed | Protected | Not recorded |
| 023 00570000 – 023 00579999 | Not listed | Protected | Not recorded |
| 023 00580000 – 023 00589999 | Not listed | Protected | Not recorded |
| 023 00590000 – 023 00599999 | Not listed | Protected | Not recorded |
| 023 00600000 – 023 00609999 | Not listed | Protected | Not recorded |
| 023 00610000 – 023 00619999 | Not listed | Protected | Not recorded |
| 023 00620000 – 023 00629999 | Not listed | Protected | Not recorded |
| 023 00630000 – 023 00639999 | Not listed | Protected | Not recorded |
| 023 00640000 – 023 00649999 | Not listed | Protected | Not recorded |
| 023 00650000 – 023 00659999 | Not listed | Protected | Not recorded |
| 023 00660000 – 023 00669999 | Not listed | Protected | Not recorded |
| 023 00670000 – 023 00679999 | Not listed | Protected | Not recorded |
| 023 00680000 – 023 00689999 | Not listed | Protected | Not recorded |
| 023 00690000 – 023 00699999 | Not listed | Protected | Not recorded |
| 023 00700000 – 023 00709999 | Not listed | Protected | Not recorded |
| 023 00710000 – 023 00719999 | Not listed | Protected | Not recorded |
| 023 00720000 – 023 00729999 | Not listed | Protected | Not recorded |
| 023 00730000 – 023 00739999 | Not listed | Protected | Not recorded |
| 023 00740000 – 023 00749999 | Not listed | Protected | Not recorded |
| 023 00750000 – 023 00759999 | Not listed | Protected | Not recorded |
| 023 00760000 – 023 00769999 | Not listed | Protected | Not recorded |
| 023 00770000 – 023 00779999 | Not listed | Protected | Not recorded |
| 023 00780000 – 023 00789999 | Not listed | Protected | Not recorded |
| 023 00790000 – 023 00799999 | Not listed | Protected | Not recorded |
| 023 00800000 – 023 00809999 | Not listed | Protected | Not recorded |
| 023 00810000 – 023 00819999 | Not listed | Protected | Not recorded |
| 023 00820000 – 023 00829999 | Not listed | Protected | Not recorded |
| 023 00830000 – 023 00839999 | Not listed | Protected | Not recorded |
| 023 00840000 – 023 00849999 | Not listed | Protected | Not recorded |
| 023 00850000 – 023 00859999 | Not listed | Protected | Not recorded |
| 023 00860000 – 023 00869999 | Not listed | Protected | Not recorded |
| 023 00870000 – 023 00879999 | Not listed | Protected | Not recorded |
| 023 00880000 – 023 00889999 | Not listed | Protected | Not recorded |
| 023 00890000 – 023 00899999 | Not listed | Protected | Not recorded |
| 023 00900000 – 023 00909999 | Not listed | Protected | Not recorded |
| 023 00910000 – 023 00919999 | Not listed | Protected | Not recorded |
| 023 00920000 – 023 00929999 | Not listed | Protected | Not recorded |
| 023 00930000 – 023 00939999 | Not listed | Protected | Not recorded |
| 023 00940000 – 023 00949999 | Not listed | Protected | Not recorded |
| 023 00950000 – 023 00959999 | Not listed | Protected | Not recorded |
| 023 00960000 – 023 00969999 | Not listed | Protected | Not recorded |
| 023 00970000 – 023 00979999 | Not listed | Protected | Not recorded |
| 023 00980000 – 023 00989999 | Not listed | Protected | Not recorded |
| 023 00990000 – 023 00999999 | Not listed | Protected | Not recorded |
900 more ranges — full list in CSV.
0230 allocation
Blocks whose local number starts with 0 under Southampton (023): 10,000 allocated numbers in 1 block.
- Protected
- 9,990,000 numbers · 999 blocks
- Allocated
- 10,000 numbers · 1 block
Holders of 023 0 numbers
Virgin Media Limited holds 100.0% of the allocated numbers (10,000 numbers, 1 block).
| Holder | Share | Numbers | Blocks | Earliest allocation |
|---|---|---|---|---|
| Virgin Media Limited | 100.0% | 10,000 | 1 | 2010-02-24 |
Weekly changes for 0230
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 023 Southampton. Methodology.
0230 source: Ofcom s1.csv, published 14 Oct 2026. Download 023 0 blocks (CSV). Contains Ofcom copyright material.
Source detail · 0230
| Claim | Value | Identifier |
|---|---|---|
| allocated_numbers | 10000 | subcode:023-0:allocated_numbers:fc227d9e:v1 |
| allocated_records | 1 | subcode:023-0:allocated_records:fc227d9e:v1 |
| listed_holders | 1 | subcode:023-0:listed_holders:fc227d9e:v1 |
| area_code | 023 | subcode:023-0:area_code:fc227d9e:v1 |
| first_digit | 0 | subcode:023-0:first_digit:fc227d9e:v1 |
| snapshot_date | 14 Oct 2026 | subcode:023-0:snapshot_date:fc227d9e:v1 |