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Non-geographic

0306 Charity numbers UK

0306 numbers are reserved for not-for-profit organisations.

Ofcom lists 6 allocated 0306 ranges, the most held by Resilient Limited. Cost to call: never more than a call to an 01 or 02 number.

0306 at a glance

Number type
Non-geographic
Allocated ranges
6 of 1,000 on Ofcom's register
Largest holders
Who may use it
Public-sector bodies and not-for-profit organisations (Ofcom 030 guidance)
First allocated
20 March 2007
Newest range
23 April 2024

Source: Ofcom numbering data, re-imported weekly.

What it costs to call a 0306 number

Never more than a call to an 01 or 02 number.

From a landline
Same as an 01/02 call: typically up to 16p a minute, or included in a call package
From a mobile
Counts towards inclusive minutes; 3p to 65p a minute outside them

Source: Ofcom call costs guide (updated 31 January 2025). Ofcom treats these as indicative; your provider sets the final price.

If a 0306 number called you

No clear pattern in reports for these numbers yet. If a call worried you:

  1. 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. 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.

    Ofcom: what to do about a scam call ↗

  3. 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.

    Telephone Preference Service ↗

  4. 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.

    159 (Stop Scams UK) ↗Report Fraud ↗

About 0306 numbers in the UK

0306 belongs to the Non-geographic family of Ofcom’s National Telephone Numbering Plan. 0306 numbers are reserved for not-for-profit organisations. Ofcom allocates 0306 ranges to communications providers, who assign them to the organisations that use them; the table below lists the ranges in the latest weekly Ofcom data. For how prefixes are organised, see how Ofcom allocates UK phone numbers.

Ranges starting with 0306first 200 of 1,000
PrefixStatusRange holderAllocated
+44 306000Free——
+44 306001Free——
+44 306002Free——
+44 306003Free——
+44 306004Free——
+44 306005Free——
+44 306006Free——
+44 306007Free——
+44 306008Free——
+44 306009Free——
+44 306010Free——
+44 306011Free——
+44 306012Free——
+44 306013Free——
+44 306014Free——
+44 306015Free——
+44 306016Free——
+44 306017Free——
+44 306018Free——
+44 306019Free——
+44 306020Free——
+44 306021Free——
+44 306022Free——
+44 306023Free——
+44 306024Free——
+44 306025Free——
+44 306026Free——
+44 306027Free——
+44 306028Free——
+44 306029Free——
+44 306030Free——
+44 306031Free——
+44 306032Free——
+44 306033Free——
+44 306034Free——
+44 306035Free——
+44 306036Free——
+44 306037Free——
+44 306038Free——
+44 306039Free——
+44 306040Free——
+44 306041Free——
+44 306042Free——
+44 306043Free——
+44 306044Free——
+44 306045Free——
+44 306046Free——
+44 306047Free——
+44 306048Free——
+44 306049Free——
+44 306050Free——
+44 306051Free——
+44 306052Free——
+44 306053Free——
+44 306054Free——
+44 306055Free——
+44 306056Free——
+44 306057Free——
+44 306058Free——
+44 306059Free——
+44 306060Free——
+44 306061Free——
+44 306062Free——
+44 306063Free——
+44 306064Free——
+44 306065Free——
+44 306066Free——
+44 306067Free——
+44 306068Free——
+44 306069Free——
+44 306070Free——
+44 306071Free——
+44 306072Free——
+44 306073Free——
+44 306074Free——
+44 306075Free——
+44 306076Free——
+44 306077Free——
+44 306078Free——
+44 306079Free——
+44 306080Free——
+44 306081Free——
+44 306082Free——
+44 306083Free——
+44 306084Free——
+44 306085Free——
+44 306086Free——
+44 306087Free——
+44 306088Free——
+44 306089Free——
+44 306090Free——
+44 306091Free——
+44 306092Free——
+44 306093Free——
+44 306094Free——
+44 306095Free——
+44 306096Free——
+44 306097Free——
+44 306098Free——
+44 306099Free——
+44 306100Free——
+44 306101Free——
+44 306102Free——
+44 306103Free——
+44 306104Free——
+44 306105Free——
+44 306106Free——
+44 306107Free——
+44 306108Free——
+44 306109Free——
+44 306110Free——
+44 306111Free——
+44 306112Free——
+44 306113Free——
+44 306114Free——
+44 306115Free——
+44 306116Free——
+44 306117Free——
+44 306118Free——
+44 306119Free——
+44 306120Free——
+44 306121Free——
+44 306122Free——
+44 306123Free——
+44 306124Free——
+44 306125Free——
+44 306126Free——
+44 306127Free——
+44 306128Free——
+44 306129Free——
+44 306130Free——
+44 306131Free——
+44 306132Free——
+44 306133Free——
+44 306134Free——
+44 306135Free——
+44 306136Free——
+44 306137Free——
+44 306138Free——
+44 306139Free——
+44 306140Free——
+44 306141Free——
+44 306142Free——
+44 306143Free——
+44 306144Free——
+44 306145Free——
+44 306146Free——
+44 306147Free——
+44 306148Free——
+44 306149Free——
+44 306150Free——
+44 306151Free——
+44 306152Free——
+44 306153Free——
+44 306154Free——
+44 306155Free——
+44 306156Free——
+44 306157Free——
+44 306158Free——
+44 306159Free——
+44 306160Free——
+44 306161Free——
+44 306162Free——
+44 306163Free——
+44 306164Free——
+44 306165Free——
+44 306166Free——
+44 306167Free——
+44 306168Free——
+44 306169Free——
+44 306170Free——
+44 306171Free——
+44 306172Free——
+44 306173Free——
+44 306174Free——
+44 306175Free——
+44 306176Free——
+44 306177Free——
+44 306178Free——
+44 306179Free——
+44 306180Free——
+44 306181Free——
+44 306182Free——
+44 306183Free——
+44 306184Free——
+44 306185Free——
+44 306186Free——
+44 306187Free——
+44 306188Free——
+44 306189Free——
+44 306190Free——
+44 306191Free——
+44 306192Free——
+44 306193Free——
+44 306194Free——
+44 306195Free——
+44 306196Free——
+44 306197Free——
+44 306198Free——
+44 306199Free——

Related lookups

FAQs about 0306

What does 0306 cost to call?

Never more than a call to an 01 or 02 number. From a landline: Same as an 01/02 call: typically up to 16p a minute, or included in a call package. From a mobile: Counts towards inclusive minutes; 3p to 65p a minute outside them. (Ofcom call costs guide.)

Who provides 0306 numbers?

Ofcom lists 6 allocated 0306 ranges. The largest holders are Resilient Limited (3), BT (1) and Fuse 2 Communications Ltd (1). The holder is the company that supplies the number to the organisation using it, not the caller.

How do I report a 0306 call?

On a mobile, text the number to 7726 (free). Report fraud to Report Fraud on 0300 123 2040 (Police Scotland on 101 in Scotland); unwanted sales calls go to the ICO once you've registered with the Telephone Preference Service.