Prefix
01728 4
Area
Saxmundham
Number type
Geographic landline (01/02)
Format
01728 4XXXXX
From abroad
+44 1728 4XXXXX
Ofcom blocks in range
46
Blocks in service
13
Range holders
12

What are 01728 4XXXXX numbers?

Any UK number matching 01728 4XXXXX sits in the 01728 dialling code for Saxmundham. Ofcom hands these numbers to communications providers in blocks; this range contains 46 blocks, of which 13 are allocated and usable. Calls from these numbers are typically homes and businesses in the Saxmundham area — or organisations elsewhere that keep a local 01728 presence using VoIP.

Who holds 01728 4… number ranges?

Range holder (allocated by Ofcom)Number blocksExample range
BT201728 40XXXX
API Telecom Limited101728 418XXX
Bicom Systems EURL101728 413XXX
Gamma Telecom Holdings Limited101728 44XXXX
Hello Telecom (UK) Limited101728 411XXX
ICC Networks Ltd101728 419XXX
Inet Telecoms Ltd (Voipfone)101728 417XXX
Internexus Networks Limited101728 412XXX
Linear Telecoms Limited101728 410XXX
Orbtalk Limited101728 415XXX
TTNC Limited101728 49XXXX
Vodafone Ltd (C&W)101728 46XXXX

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.

Not every block in this range is in service: of the 46 blocks Ofcom lists, 33 are protected (reserved by Ofcom and not in use). A call appearing to come from an unallocated block is a strong sign of a spoofed number.

Is a call from a 01728 4… number safe?

A local-looking number is never proof of who is calling: fraudsters spoof 01728 caller IDs so their calls look like they come from Saxmundham (‘neighbour spoofing’). If an unexpected caller asks for personal, banking or one-time-code details, hang up and ring the organisation back on a number you find independently. To put a name to a caller, see who called me?; to report one, see how to report a scam number.

Check a specific 01728 4XXXXX number

Paste any full number into the checker above (or on the main phone number checker) to see its exact range holder and allocation status from this week’s Ofcom data.

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More 01728 number ranges

Full 01728 Saxmundham area-code guide › · All UK area codes ›