How much does it cost to call a 01556 number?

Calls to 01556 numbers are standard geographic landline calls, charged at your provider’s normal UK landline rate and usually included in inclusive minutes — the same as calling an 03 number.

I had a missed call from a 01556 number — is it a scam?

Not necessarily, but be careful: scammers spoof local codes such as 01556 so a call looks like it’s from Castle Douglas and you’re more likely to answer. If in doubt, hang up and call the organisation back on a number you find independently.

How do I dial a Castle Douglas number from abroad?

Drop the leading 0 and add +44. A number written as 01556 XXXXXX becomes +44 1556 XXXXXX when dialled internationally.

Can this tool tell me who owns the number?

No. It shows the area of the dialling code and the provider Ofcom allocated the number range to — not the individual or business holding a specific number, which may also have been ported to another network.

01556 Area Code – Castle Douglas | Dialling Code, Format & Call Charges

Q: Where is the 01556 area code?

01556 is the UK geographic dialling code for Castle Douglas. Any number written as 01556 XXXXXX is tied to the Castle Douglas dialling-code area, though with modern VoIP a business can keep its 01556 number after moving away.

Dialling code: 01556
Area: Castle Douglas
Number type: Geographic landline (01/02)
Local format: 01556 XXXXXX
From abroad: +44 1556 XXXXXX
Ofcom number blocks: 406
Blocks in service: 101
Range holders: 82

Where is the 01556 area code?

The 01556 dialling code is the UK geographic area code for Castle Douglas. Because 01556 is a geographic (01/02) code, a number using it is tied to the Castle Douglas dialling-code area — though with modern hosted telephony (VoIP) a business can keep a 01556 number after moving premises, so the code reflects the number’s designated area rather than a guaranteed physical location today.

Ofcom currently lists 406 number blocks under 01556, of which 101 are allocated to 82 communications providers.

Castle Douglas phone number format

A Castle Douglas number is made up of a 5-digit area code followed by a 5 or 6-digit local number. Written in full it looks like 01556 XXXXXX (the Xs stand for the local digits). Ofcom has not reserved a fictitious drama range for 01556; for on-screen examples it recommends the unused 01632 960000–01632 960999 range.

Who holds 01556 number ranges?

Ofcom allocates 01556 numbers to providers in blocks. These providers hold the largest allocations under 01556:

Range holder (allocated by Ofcom)	Number blocks	Example range
BT	13	`01556 50XXXX`
Digital Space Group Limited	2	`01556 277XXX`
Digitech Solutions Global Limited	2	`01556 450XXX`
Fuse 2 Communications Ltd	2	`01556 495XXX`
I.T Communications Limited	2	`01556 534XXX`
Sky UK Limited	2	`01556 474XXX`
TalkTalk Communications Limited	2	`01556 288XXX`
Vodafone Ltd (C&W)	2	`01556 323XXX`

…and 74 more providers hold smaller allocations in this range.

Ofcom’s data shows the provider each number range was originally allocated to — not who holds an individual number today. Numbers are frequently moved (ported) between providers, and no public database reveals the person or business behind a specific number, so treat any service that claims to with suspicion.

01556 number ranges

Browse the allocated 01556 ranges by their first local digit — each guide lists the providers holding that slice of Castle Douglas’s numbers:

01556 2XXXXX · 10 ranges 01556 3XXXXX · 8 ranges 01556 4XXXXX · 37 ranges 01556 5XXXXX · 23 ranges 01556 6XXXXX · 10 ranges 01556 7XXXXX · 5 ranges 01556 8XXXXX · 8 ranges

Call charges for 01556 numbers

Calls to 01556 geographic numbers are charged at your phone provider’s standard UK landline rate and are normally included in inclusive call minutes. UK-wide 03 numbers are guaranteed by Ofcom to cost the same as 01/02 calls, while 084, 087 and 09 numbers cost considerably more — always check the prefix before you dial.

Spotting spoofed 01556 scam calls

Fraudsters frequently spoof local dialling codes, faking the caller ID so a scam call appears to come from a Castle Douglas (01556) number you might trust. Remember:

A familiar 01556 area code is not proof the caller is local or genuine — caller ID can be faked.
Banks, HMRC and the police will never ask you to move money or share passwords or one-time codes over the phone.
If a call feels off, hang up, wait a moment, and call the organisation back on a number from their official website or your statement.
Report nuisance calls to the ICO and forward scam texts to 7726 (free).

Other dialling codes in this range

Numerically adjacent UK dialling codes:

01554 Llanelli Area code guide 01555 Lanark Area code guide 01557 Kirkcudbright Area code guide 01558 Llandeilo Area code guide

Browse all UK area-code guides ›

Run mobiles for a business? See our business mobile network comparison or get a quote.

01556 area code – Castle Douglas