Check postal code listings and find post code areas grouped by country, then town/city.
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Check postal code listings for East Hertfordshire in England. Choose an outward post code below to find post code units and street-level details.
Outward codes listed: 8 (for example CM21)
Examples: CM21 CM23 SG9 SG10 SG11 SG12 SG13 SG14
Searchers often use both compact format (for example cm211aa) and spaced format (for example CM21 1AA); both lead to the same postcode detail pages here.