01728 Area Code — Saxmundham, Leiston & Framlingham
01728 is the UK dialling code for Saxmundham in Suffolk, also serving Leiston, Framlingham and Rendlesham, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 189 distinct 01728 numbers across 199 public lookups.
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Quick facts
Area code
01728
Location
Saxmundham
County
Suffolk
Region
East of England
Number type
Geographic landline
Number format
01728 XXX XXX
Operators serving
8+
Call cost
Standard rate
About the 01728 dialling code
01728 is the UK geographic dialling code for Saxmundham, allocated by Ofcom under the National Telephone Numbering Plan. It is used by landlines — and increasingly VoIP lines — registered to the Saxmundham area.
A full Saxmundham number is normally written as 01728 XXXXXX. You can dial the local part on its own from within the same area, or the full number from anywhere in the UK.
Because of UK number portability and internet calling, a 01728 number no longer guarantees the caller is physically in Saxmundham. Fraudsters also "spoof" local codes like 01728 so an unknown call looks like a nearby business or neighbour — so treat an unexpected call on what is actually said, not on the area code alone.
Map of the 01728 dialling area
The marker shows Saxmundham; the shaded circle is an approximate indication of the area the 01728 code serves — exact Ofcom charging-area boundaries are irregular and don't follow a neat radius.
Map data © OpenStreetMap contributors. View larger map
Areas typically served by 01728
Settlements in and around the Saxmundham dialling area that typically use 01728 numbers. Approximate — Ofcom charging-area boundaries don't follow town or county lines exactly, and properties near a boundary may take a neighbouring code.
Calling 01728 from abroad
From outside the UK, dial your international access prefix, then the UK country code 44, then 1728 (the area code without its leading zero) and the local number.
| Calling from | Dial |
|---|---|
| United States & Canada | 011 44 1728 … |
| Europe / most of the world | 00 44 1728 … |
| Australia | 0011 44 1728 … |
| Any mobile phone | +44 1728 … |
History of the 01728 code
The code was 0728 until PhONEday, 16 April 1995, when a "1" was inserted after the leading zero to create 01728.
In the letter-dialling era the code had the mnemonic SA8 — on an old rotary dial, the letters SA (from Saxmundham) sat on the same holes as the digits 728, so subscribers literally dialled the start of the town's name.
Top searched 01728 numbers
These are the 01728 numbers most-looked-up by visitors to our number checker. Click any number to see its full lookup page with risk-level, range holder, and community reports.
| Number | Searches | Last looked up |
|---|---|---|
| 01728 666935 | 2 | 2 Jul 2026 |
| 01728 660484 | 2 | 1 Jul 2026 |
| 01728 633552 | 2 | 1 Jul 2026 |
| 01728 660452 | 2 | 28 Jun 2026 |
| 01728 448686 | 2 | 28 Jun 2026 |
| 01728 748305 | 2 | 27 Jun 2026 |
| 01728 638209 | 2 | 26 Jun 2026 |
| 01728 280081 | 2 | 26 Jun 2026 |
| 01728 638205 | 2 | 26 Jun 2026 |
| 01728 885282 | 2 | 22 Jun 2026 |
| 01728 746457 | 1 | 11 Jul 2026 |
| 01728 452637 | 1 | 5 Jul 2026 |
| 01728 724836 | 1 | 4 Jul 2026 |
| 01728 916579 | 1 | 1 Jul 2026 |
| 01728 885591 | 1 | 30 Jun 2026 |
| 01728 40354 | 1 | 29 Jun 2026 |
| 01728 280023 | 1 | 29 Jun 2026 |
| 01728 959558 | 1 | 29 Jun 2026 |
| 01728 638212 | 1 | 29 Jun 2026 |
| 01728 633579 | 1 | 29 Jun 2026 |
Is a call from 01728 safe?
Most 01728 calls are ordinary local calls from Saxmundham homes and businesses. The main risk to be aware of is "neighbour spoofing", where a scammer fakes a local 01728 prefix so you are more likely to answer. Never share bank details, passwords or one-time security codes with an unexpected caller, even when the number looks local — hang up and call the organisation back on a number you have verified yourself.
To call a 01728 (Saxmundham) number from outside the UK, drop the leading zero and dial +44 1728 followed by the local number.
Operators serving Saxmundham
These UK communications providers have been allocated 01728 number blocks by Ofcom. The number of blocks per operator gives a rough sense of how widely each provider serves this area.
| Provider (Ofcom-allocated) | Allocated blocks |
|---|---|
| BT | 15 |
| GCI Network Solutions Limited | 11 |
| TalkTalk Communications Limited | 3 |
| Sky UK Limited | 3 |
| Fuse 2 Communications Ltd | 2 |
| Digital Space Group Limited | 2 |
| Colt Technology Services | 2 |
| Digitech Solutions Global Limited | 2 |
Ofcom number ranges on 01728
Ofcom's National Numbering Plan lists 352 number blocks under 01728, of which 122 are allocated to 89 communications providers. The first allocated blocks are shown below — look up any full number with the number checker to see its exact range holder.
| Number block | Status | Range holder (Ofcom-allocated) |
|---|---|---|
0172820… | Allocated | Redcentric Solutions Limited |
0172822… | Allocated | Net-Work Internet Ltd |
0172823… | Allocated | Telecom2 Limited |
0172824… | Allocated | Digital Space Group Limited |
0172825… | Allocated | Nodemax Limited |
01728280… | Allocated | Voxbone SA |
0172829… | Allocated | Served Up Limited |
0172830… | Allocated | Solutios Limited |
01728317… | Allocated | Digital Space Group Limited |
0172832… | Allocated | IPV6 Limited |
0172833… | Allocated | Mars Communications Limited |
0172834… | Allocated | Andrews & Arnold (Numbers) Ltd |
Showing 12 of 122 allocated blocks. Source: Ofcom telephone numbering data, updated weekly.
How to block and report 01728 spam calls
Block or report 01728
- You can block 01728 directly from your recent-calls list on iPhone or Android, and forward scam texts free to 7726.
- Scam or fraud calls should be reported to Action Fraud (0300 123 2040) or Police Scotland (101); persistent marketing calls to the ICO / TPS.
Full step-by-step instructions for every phone, network-level blocking and all UK reporting routes are in our guide: How to block and report unwanted calls in the UK.
How to stop unwanted calls for good
Blocking 01728 numbers stops that one number, but determined nuisance callers simply switch numbers. Silencing unknown callers, enabling your network's free spam shield and registering with the TPS cut the volume across the board — our canonical guide walks through each step: How to block and report unwanted calls in the UK.
Frequently asked questions about the 01728 code
Where is the 01728 area code?
The 01728 area code is allocated by Ofcom to Saxmundham in Suffolk, United Kingdom. It is a geographic UK landline dialling code under the National Telephone Numbering Plan. The surrounding dialling area also takes in Leiston, Framlingham, Rendlesham and nearby villages.
Is 01728 always a Saxmundham number?
Numbers with the 01728 prefix were originally allocated by Ofcom to Saxmundham. With UK number portability and VoIP allowing geographic relocation while keeping the same number, the call origin can differ from the original area, but the prefix's official assigned location remains Saxmundham.
How do I block 01728 spam calls?
On iPhone, tap the (i) next to the number in Recents and choose Block this Caller. On Android, long-press the number in Recents and choose Block. To prevent unknown 01728 numbers ringing, enable Settings → Phone → Silence Unknown Callers (iPhone) or your dialler's spam filter (Android). Forward spam texts to 7726 free of charge.
How much does a 01728 call cost?
Calls to UK 01728 geographic numbers are charged at your provider's standard rate and are usually included in inclusive minutes on any modern landline or mobile plan.
Neighbouring dialling codes
Codes covering areas around Saxmundham — useful when a caller is nearby but outside the 01728 boundary.
Living in or moving to Saxmundham?
Our free postcode reports cover house prices, crime, broadband and schools for the districts around Saxmundham.
Check another UK number
Have the full 10- or 11-digit number? The UK Phone Number Checker shows the Ofcom range holder, risk level, and any community reports for that specific number.