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Region Carrier Name:Hertfordshire
This is the United Kingdom Region Carrier Name:Hertfordshire Area Code Database page list. You can click the title to browse the detail information.
| City | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|
| Bishops Stortford | 1279 | 550000 | 559999 | G |
| Stevenage | 1438 | 850000 | 859999 | G |
| Hemel Hempstead | 1442 | 540000 | 549999 | G |
| Hitchin | 1462 | 820000 | 829999 | G |
| Welwyn Garden City | 1707 | 450000 | 459999 | G |
| St Albans | 1727 | 240000 | 249999 | G |
| Royston | 1763 | 890000 | 899999 | G |
| Ware | 1920 | 470000 | 479999 | G |
| Watford | 1923 | 640000 | 649999 | G |
| Lea Valley | 1992 | 880000 | 889999 | G |
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