- Prefix
01604 2- Area
- Northampton
- Number type
- Geographic landline (01/02)
- Format
01604 2XXXXX- From abroad
+44 1604 2XXXXX- Ofcom blocks in range
- 64
- Blocks in service
- 42
- Range holders
- 25
What are 01604 2XXXXX numbers?
Any UK number matching 01604 2XXXXX sits in the
01604 dialling code for Northampton.
Ofcom hands these numbers to communications providers in blocks; this range
contains 64 blocks, of which
42 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Northampton area — or
organisations elsewhere that keep a local 01604 presence using
VoIP.
Who holds 01604 2… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Gamma Telecom Holdings Limited | 6 | 01604 21XXXX |
| Vodafone Ltd (C&W) | 5 | 01604 260XXX |
| BT | 3 | 01604 23XXXX |
| Colt Technology Services | 3 | 01604 264XXX |
| Redcentric Solutions Limited | 3 | 01604 222XXX |
| DRD Communications Limited | 2 | 01604 200XXX |
| Verizon UK Limited | 2 | 01604 290XXX |
| (AQ) LIMITED | 1 | 01604 280XXX |
| 24 Seven Cloud Communications Ltd | 1 | 01604 208XXX |
| Belgacom International Carrier Services SA | 1 | 01604 209XXX |
| HAVENSTOKE COMMUNICATIONS LTD | 1 | 01604 204XXX |
| Hello Telecom (UK) Limited | 1 | 01604 206XXX |
…and 13 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.
Not every block in this range is in service: of the 64 blocks Ofcom lists, 22 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 01604 2… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01604 caller IDs so their calls look like they come from Northampton (‘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 01604 2XXXXX 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.
Run mobiles for a business? See our business mobile network comparison or get a quote.
More 01604 number ranges
Full 01604 Northampton area-code guide › · All UK area codes ›