01437 Area Code — Haverfordwest, UK
01437 is the UK dialling code for Haverfordwest, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 3 distinct 01437 numbers across 3 public lookups.
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Quick facts
Area code
01437
Location
Haverfordwest
Number type
Geographic landline
Number format
01437 XXX XXX
Operators serving
8+
Call cost
Standard rate
Top searched 01437 numbers
These are the 01437 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 |
|---|---|---|
| 01437 724142 | 1 | 18 May 2026 |
| 01437 468270 | 1 | 4 May 2026 |
| 01437 468272 | 1 | 30 Apr 2026 |
Operators serving Haverfordwest
These UK communications providers have been allocated 01437 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 | 14 |
| 1XXXX | 10 |
| Gamma Telecom Holdings Limited | 10 |
| Magrathea Telecommunications Limited | 7 |
| TalkTalk Communications Limited | 4 |
| Resilient Limited | 3 |
| Fuse 2 Communications Ltd | 3 |
| Sky UK Limited | 3 |
Looking up a specific 01437 number?
If you have the full 10- or 11-digit number, use our free UK Phone Number Checker to see the Ofcom range holder, risk level, and any community reports for that specific number.