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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.
Region Code: HRT
City National Destination Code Sn from Sn to Number Type
Bishops Stortford 1279 330000 330999 G
Bishops Stortford 1279 331000 331999 G
Bishops Stortford 1279 333000 333999 G
Bishops Stortford 1279 334000 334999 G
Bishops Stortford 1279 336000 336999 G
Bishops Stortford 1279 338000 338999 G
Bishops Stortford 1279 339000 339999 G
Stevenage 1438 330000 330999 G
Stevenage 1438 333000 333999 G
Stevenage 1438 339000 339999 G
Hemel Hempstead 1442 911000 911999 G
Hitchin 1462 720000 720999 G
Hitchin 1462 723000 723999 G
Hitchin 1462 727000 727999 G
Hitchin 1462 729000 729999 G
Welwyn Garden City 1707 230000 230999 G
Welwyn Garden City 1707 233000 233999 G
Welwyn Garden City 1707 239000 239999 G
St Albans 1727 584000 584999 G
Watford 1923 620000 620999 G
Watford 1923 622000 622999 G
Watford 1923 623000 623999 G