UK area code
01204 area code — Bolton
01204 is Ofcom’s Bolton numbering area, in Greater Manchester, North West England. 118 phone companies hold its 347 allocated number blocks. Visitors have checked 65 different 01204 numbers here. Its numbers are written like 01204 234 567. The nearest other codes are 01942 Wigan (8 km) and 01257 Coppull (10 km).
01204 at a glance
- Ofcom area name
- Bolton
- County
- Greater Manchester
- Council area
- Bolton
- Region
- North West England
- Number format
- 01204 234 567 (4+6)
- Local calls
- Full number recommended
- Current code since
- 1995 (previously 0204)
- Allocated blocks
- 347 of 496 (70%) across 118 providers
- Newest block
- 26 June 2026 (6 in the last 12 months)
Sources: Ofcom numbering data (weekly) and area-code list, Ofcom Numbering Plan, ONS geography.
What people check and report about 01204 numbers
From searches in our lookup form since 13 May 2026 and the verdicts and reports visitors left. A check means someone typed the number in, usually after a missed call.
- Checks
- 71
- Different numbers checked
- 65
- Different people checking
- 69
That makes 01204 numbers the 17th most-checked of the 443 UK area codes people have looked up here.
Caller verdicts on 01204 numbers: 2
1 nuisance, 1 safe. Too few to show shares yet.
Most-reported and most-checked 01204 numbers
| Number | Verdicts | Reports | People checking |
|---|---|---|---|
| 01204 601010 | 1 nuisance | — | 1 |
| 01204 920141 | 1 safe | — | 1 |
If a 01204 number called you
No clear pattern in reports for these numbers yet. If a call worried you:
- 1
Call back on a number you trust
If a caller says they're your bank, HMRC, a courier or a council, hang up and ring the organisation on the number from its website or your statement, never the number that called you. Caller ID can be faked.
- 2
Forward it to 7726
On a mobile, copy the caller's number from your recent calls and text it to 7726 (it spells SPAM). Scam texts can be forwarded to 7726 as they are. It's free, and your network uses the reports to investigate and block numbers.
- 3
Stop sales calls
Register your landline and mobile free with the Telephone Preference Service (0345 070 0707). Legitimate UK marketers must check it; calls should drop within 28 days. It won't stop scammers.
- 4
If you lost money or shared details
Call your bank on the number on your card (or 159 to reach most UK banks safely), then report it to Report Fraud online or on 0300 123 2040. Report Fraud replaced Action Fraud on 4 December 2025 for England, Wales and Northern Ireland; in Scotland call Police Scotland on 101.
01204 history and number format
Number format: Numbers on 01204 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01204 234 567.
Before 1995: 01204 took its current form at PhONEday on 16 April 1995, when a "1" was inserted into every UK geographic code — before that the area dialled 0204.
Local dialling: Traditionally not from another 01204 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01204 first always works, and mobiles always need it.
Allocation record: the oldest number block still visible on 01204 was allocated on 15 July 1994, and the most recent on 26 June 2026. 6 blocks were allocated in the last 12 months — newly-activated ranges with no call history, which is worth knowing when an unfamiliar 01204 number rings (see the weekly numbering changelog for every new allocation.)
Phone companies holding 01204 numbers
Every Ofcom range holder with blocks on 01204, by allocated blocks. The holder is the company Ofcom allocated the block to; a number can since have been ported to another provider (see range holder vs current provider).
| Range holder | Allocated | All blocks | First block | Latest block |
|---|---|---|---|---|
| BT | 89 | 89 | 15 July 1994 | 15 May 2025 |
| Gamma Telecom Holdings Limited | 29 | 29 | 15 November 2012 | 26 June 2026 |
| Vodafone Ltd (C&W) | 22 | 22 | 18 June 2013 | 17 November 2021 |
| Sky UK Limited | 21 | 21 | 20 June 2013 | 3 March 2020 |
| Virgin Media Limited | 17 | 17 | 15 July 1994 | 28 April 2015 |
| TalkTalk Communications Limited | 16 | 16 | 3 March 2009 | 15 October 2018 |
| GCI Network Solutions Limited | 8 | 8 | 20 April 2017 | 22 February 2024 |
| Magrathea Telecommunications Limited | 8 | 8 | 17 November 2011 | 17 November 2011 |
| Colt Technology Services | 6 | 6 | 17 April 2015 | 18 June 2026 |
| Barritel Limited | 5 | 5 | 8 October 2008 | 2 March 2023 |
| Voxbone SA | 4 | 4 | 23 November 2007 | 26 June 2018 |
| Digital Space Group Limited | 3 | 3 | 29 November 2007 | 12 April 2016 |
| IOVOX Limited | 3 | 3 | 3 April 2012 | 23 December 2016 |
| Media Hawk Ltd | 3 | 3 | 10 April 2013 | 28 September 2016 |
| AQL Wholesale Ltd | 2 | 2 | 21 June 2006 | 11 June 2015 |
| DRD Communications Limited | 2 | 2 | 5 October 2023 | 5 October 2023 |
| Digitech Solutions Global Limited | 2 | 2 | 21 April 2010 | 22 June 2012 |
| Fuse 2 Communications Ltd | 2 | 2 | 3 July 2017 | 22 January 2024 |
| INTELLIGENT EXCHANGES LIMITED | 2 | 2 | 26 January 2026 | 26 January 2026 |
| Served Up Limited | 2 | 2 | 1 March 2013 | 1 March 2013 |
| VoiceHost Limited | 2 | 2 | 22 June 2010 | 8 September 2020 |
| Voiceflex Limited | 2 | 2 | 26 July 2007 | 24 April 2024 |
| Ziron Limited | 2 | 2 | 27 July 2012 | 24 November 2021 |
| (AQ) LIMITED | 1 | 1 | 10 September 2012 | 10 September 2012 |
| 24 Seven Cloud Communications Ltd | 1 | 1 | 30 September 2019 | 30 September 2019 |
| 8x8 Communications UK Limited | 1 | 1 | 26 March 2012 | 26 March 2012 |
| Adepteo Limited | 1 | 1 | 16 January 2017 | 16 January 2017 |
| Alnitak GmbH | 1 | 1 | 7 December 2015 | 7 December 2015 |
| Andrews & Arnold (Numbers) Ltd | 1 | 1 | 24 February 2009 | 24 February 2009 |
| Atomstream Limited | 1 | 1 | 25 February 2010 | 25 February 2010 |
Showing the 30 largest of 118 holders.
All number blocks on 01204first 200 of 496, by prefix
| Prefix | Status | Range holder |
|---|---|---|
| +44 120400 | Protected | — |
| +44 120401 | Protected | — |
| +44 120402 | Protected | — |
| +44 120403 | Protected | — |
| +44 120404 | Protected | — |
| +44 120405 | Protected | — |
| +44 120406 | Protected | — |
| +44 120407 | Protected | — |
| +44 120408 | Protected | — |
| +44 120409 | Protected | — |
| +44 1204100 | Protected | — |
| +44 1204101 | Protected | — |
| +44 1204102 | Protected | — |
| +44 1204103 | Protected | — |
| +44 1204104 | Protected | — |
| +44 1204105 | Protected | — |
| +44 1204106 | Protected | — |
| +44 1204107 | Protected | — |
| +44 1204108 | Protected | — |
| +44 1204109 | Protected | — |
| +44 120411 | Protected | — |
| +44 120412 | Protected | — |
| +44 120413 | Protected | — |
| +44 120414 | Protected | — |
| +44 120415 | Protected | — |
| +44 120416 | Protected | — |
| +44 1204170 | Protected | — |
| +44 1204171 | Protected | — |
| +44 1204172 | Protected | — |
| +44 1204173 | Protected | — |
| +44 1204174 | Protected | — |
| +44 1204175 | Protected | — |
| +44 1204176 | Protected | — |
| +44 1204177 | Protected | — |
| +44 1204178 | Protected | — |
| +44 1204179 | Protected | — |
| +44 120418 | Protected | — |
| +44 120419 | Protected | — |
| +44 1204200 | Allocated | Localphone Limited |
| +44 1204201 | Allocated | Voiceflex Limited |
| +44 1204202 | Allocated | (AQ) LIMITED |
| +44 1204203 | Allocated | Orange Business Holdings UK Limited |
| +44 1204204 | Allocated | Net-Work Internet Ltd |
| +44 1204205 | Allocated | Nationwide Telephone Assistance Ltd |
| +44 1204206 | Allocated | VoIP-Un Limited |
| +44 1204207 | Allocated | Digital Space Group Limited |
| +44 1204208 | Allocated | Voxbone SA |
| +44 1204209 | Allocated | Telecom2 Limited |
| +44 1204210 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204211 | Allocated | TelXL Limited |
| +44 1204212 | Allocated | Nodemax Limited |
| +44 1204213 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204214 | Allocated | TalkTalk Communications Limited |
| +44 1204215 | Allocated | Solutios Limited |
| +44 1204216 | Allocated | Inet Telecoms Ltd (Voipfone) |
| +44 1204217 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204218 | Protected | — |
| +44 1204219 | Allocated | Barritel Limited |
| +44 1204220 | Protected | — |
| +44 1204221 | Allocated | Digital Space Group Limited |
| +44 1204222 | Allocated | Barritel Limited |
| +44 1204223 | Quarantined | — |
| +44 1204224 | Allocated | Telappliant Limited |
| +44 1204225 | Allocated | Mars Communications Limited |
| +44 1204226 | Allocated | Andrews & Arnold (Numbers) Ltd |
| +44 1204227 | Allocated | TalkTalk Communications Limited |
| +44 1204228 | Allocated | Telecoms World Limited |
| +44 1204229 | Allocated | Nexus Telecommunications Limited |
| +44 1204230 | Allocated | Digitech Solutions Global Limited |
| +44 1204231 | Allocated | Sky UK Limited |
| +44 1204232 | Allocated | VoiceHost Limited |
| +44 1204233 | Allocated | GTT-EMEA LTD |
| +44 1204234 | Free | — |
| +44 1204235 | Allocated | TTNC Limited |
| +44 1204236 | Allocated | Digital Space Group Limited |
| +44 1204237 | Allocated | Vodafone Ltd (C&W) |
| +44 1204238 | Allocated | AQL Wholesale Ltd |
| +44 1204239 | Allocated | Flextel Limited |
| +44 1204240 | Allocated | Sky UK Limited |
| +44 1204241 | Allocated | TelNG Limited |
| +44 1204242 | Allocated | Commi Holdings Limited |
| +44 1204243 | Allocated | Sky UK Limited |
| +44 1204244 | Allocated | Virgin Media Limited |
| +44 1204245 | Allocated | Virgin Media Limited |
| +44 1204246 | Allocated | Digital Mail Limited |
| +44 1204247 | Allocated | Spitfire Network Services Limited |
| +44 1204248 | Free | — |
| +44 1204249 | Allocated | Resilient Limited |
| +44 1204250 | Allocated | Dynamic Mobile Billing Limited |
| +44 1204251 | Allocated | Invade International Ltd |
| +44 1204252 | Quarantined | — |
| +44 1204253 | Quarantined | — |
| +44 1204254 | Free | — |
| +44 1204255 | Allocated | TeleWare Group Limited |
| +44 1204256 | Free | — |
| +44 1204257 | Allocated | Vonage Business Limited |
| +44 1204258 | Allocated | Swiftnet Limited |
| +44 1204259 | Allocated | CFL Communications Ltd |
| +44 1204260 | Protected | — |
| +44 1204261 | Allocated | WightFibre Limited |
| +44 1204262 | Allocated | Nuso Cloud UK Limited |
| +44 1204263 | Allocated | Buzz Networks Limited |
| +44 1204264 | Protected | — |
| +44 1204265 | Allocated | Datazero Ltd |
| +44 1204266 | Allocated | Atomstream Limited |
| +44 1204267 | Allocated | Liquid 11 Limited |
| +44 1204268 | Allocated | Digitech Solutions Global Limited |
| +44 1204269 | Allocated | Suretec Systems Ltd |
| +44 1204270 | Allocated | Sky UK Limited |
| +44 1204271 | Allocated | Barritel Limited |
| +44 1204272 | Protected | — |
| +44 1204273 | Protected | — |
| +44 1204274 | Allocated | Windsor Telecom Limited |
| +44 1204275 | Allocated | Simwood eSMS Limited |
| +44 1204276 | Allocated | Core Telecom Limited |
| +44 1204277 | Allocated | Telephone Box Limited |
| +44 1204278 | Allocated | Lumen Technologies UK Limited |
| +44 1204279 | Allocated | Sky UK Limited |
| +44 1204280 | Allocated | Phone Co-Op Numbering Limited |
| +44 1204281 | Protected | — |
| +44 1204282 | Allocated | Invosys Limited |
| +44 1204283 | Allocated | Sky UK Limited |
| +44 1204284 | Allocated | INTELLIGENT EXCHANGES LIMITED |
| +44 1204285 | Allocated | Hello Telecom (UK) Limited |
| +44 1204286 | Allocated | 24 Seven Cloud Communications Ltd |
| +44 1204287 | Allocated | Minotaur Telecom Limited |
| +44 1204288 | Allocated | Relax Telecom Limited |
| +44 1204289 | Protected | — |
| +44 1204290 | Allocated | Fuse 2 Communications Ltd |
| +44 1204291 | Allocated | TalkTalk Communications Limited |
| +44 1204292 | Allocated | Kalnet4U Ltd |
| +44 1204293 | Allocated | XoverX Ltd |
| +44 1204294 | Allocated | Sky UK Limited |
| +44 1204295 | Allocated | Sky UK Limited |
| +44 1204296 | Allocated | Sky UK Limited |
| +44 1204297 | Protected | — |
| +44 1204298 | Allocated | Sky UK Limited |
| +44 1204299 | Allocated | Redwood Technologies Ltd |
| +44 120430 | Allocated | BT |
| +44 1204310 | Allocated | Sky UK Limited |
| +44 1204311 | Allocated | Nexbridge Communications Limited |
| +44 1204312 | Allocated | 8x8 Communications UK Limited |
| +44 1204313 | Allocated | Tuxtel Ltd |
| +44 1204314 | Protected | — |
| +44 1204315 | Allocated | Sky UK Limited |
| +44 1204316 | Allocated | Bicom Systems EURL |
| +44 1204317 | Allocated | IOVOX Limited |
| +44 1204318 | Allocated | ICC Networks Ltd |
| +44 1204319 | Allocated | Ziron Limited |
| +44 1204320 | Protected | — |
| +44 1204321 | Protected | — |
| +44 1204322 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204323 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204324 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204325 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204326 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204327 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204328 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204329 | Allocated | Gamma Telecom Holdings Limited |
| +44 120433 | Allocated | Virgin Media Limited |
| +44 120434 | Allocated | Redcentric Solutions Limited |
| +44 1204350 | Allocated | TalkTalk Communications Limited |
| +44 1204351 | Allocated | IOVOX Limited |
| +44 1204352 | Allocated | Lanonyx Telecom Limited |
| +44 1204353 | Allocated | TalkTalk Communications Limited |
| +44 1204354 | Allocated | GCI Network Solutions Limited |
| +44 1204355 | Allocated | KCOM Group Ltd |
| +44 1204356 | Allocated | Colt Technology Services |
| +44 1204357 | Allocated | Gamma Telecom Holdings Limited |
| +44 1204358 | Allocated | YayYay Limited |
| +44 1204359 | Protected | — |
| +44 120436 | Allocated | BT |
| +44 1204370 | Allocated | BT |
| +44 1204371 | Allocated | BT |
| +44 1204372 | Allocated | BT |
| +44 1204373 | Allocated | BT |
| +44 1204374 | Allocated | BT |
| +44 1204375 | Allocated | BT |
| +44 1204376 | Protected | — |
| +44 1204377 | Allocated | BT |
| +44 1204378 | Allocated | BT |
| +44 1204379 | Protected | — |
| +44 120438 | Allocated | BT |
| +44 120439 | Allocated | BT |
| +44 120440 | Allocated | Virgin Media Limited |
| +44 120441 | Allocated | Virgin Media Limited |
| +44 1204420 | Allocated | Virgin Media Limited |
| +44 1204421 | Protected | — |
| +44 1204422 | Allocated | Virgin Media Limited |
| +44 1204423 | Protected | — |
| +44 1204424 | Allocated | Virgin Media Limited |
| +44 1204425 | Allocated | Virgin Media Limited |
| +44 1204426 | Allocated | Virgin Media Limited |
| +44 1204427 | Allocated | Virgin Media Limited |
| +44 1204428 | Allocated | Virgin Media Limited |
| +44 1204429 | Allocated | Virgin Media Limited |
| +44 120443 | Allocated | Virgin Media Limited |
| +44 120444 | Allocated | Vodafone Ltd (C&W) |
| +44 120445 | Allocated | Virgin Media Limited |
| +44 120446 | Allocated | BT |
Related lookups
- 01942 Wigan8 km away
- 01257 Coppull10 km away
- 01772 Preston11 km away
- 01695 Skelmersdale17 km away
- BT89 allocated blocks on 01204
- Gamma Telecom Holdings Limited29 allocated blocks on 01204
- Vodafone Ltd (C&W)22 allocated blocks on 01204
- All UK towns A–ZDialling codes by town
- More Greater Manchester codesSame region
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- Lookup any UK numberFree reverse phone lookup
- UK area codes explainedCornerstone guide
- 020 London numbers explainedCornerstone guide
- 0330 numbers explainedCornerstone guide
- How Ofcom allocates UK phone numbersCornerstone guide
FAQs about 01204
Where is area code 01204?
01204 is Ofcom's Bolton numbering area, in Greater Manchester, North West England. Its exchange town is in Bolton. From abroad, drop the 0 and dial +44 1204.
Do I need to dial 01204 for a local call?
Traditionally not from another 01204 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01204 first always works, and mobiles always need it.
How are 01204 numbers written?
Numbers on 01204 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01204 234 567. From abroad the leading zero is dropped: +44 1204 then the local number.
What was the 01204 area code before?
01204 took its current form at PhONEday on 16 April 1995, when a "1" was inserted into every UK geographic code — before that the area dialled 0204. Old signage or stationery showing 0204 refers to the same Bolton numbers.
Which phone companies hold 01204 numbers?
Ofcom lists 118 providers with allocated blocks on 01204. The largest are BT with 89 of the 347 allocated blocks, Gamma Telecom Holdings Limited with 29 of the 347 allocated blocks and Vodafone with 22 of the 347 allocated blocks. Numbers can be ported, so a number's current provider may differ from the block's holder.
Are 01204 numbers reported as scams?
Visitors have checked 65 different 01204 numbers here 71 times since May 2026. 2 caller verdicts have been left on 01204 numbers: 0 scam, 1 nuisance and 1 safe.
Which area codes are next to 01204?
By distance between exchange towns, the nearest other codes are 01942 Wigan (8 km), 01257 Coppull (10 km), 01772 Preston (11 km) and 01695 Skelmersdale (17 km).
How do I report a scam call from a 01204 number?
On a mobile, text the caller's number to 7726 (free). If you lost money or shared details, call your bank and report it to Report Fraud (0300 123 2040), which replaced Action Fraud in December 2025. Unwanted sales calls go to the ICO after registering with the Telephone Preference Service.