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City Carrier Name:Welwyn Garden City
This is the United Kingdom City Carrier Name:Welwyn Garden City Area Code Database page list. You can click the title to browse the detail information.
| Region Name | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|
| Hertfordshire | 1707 | 220000 | 229999 | G |
| Hertfordshire | 1707 | 420000 | 429999 | G |
| Hertfordshire | 1707 | 820000 | 829999 | G |
| Hertfordshire | 1707 | 840000 | 849999 | G |
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