# Address Lookup Used to look up address identifiers and details for a given postal code or UPRN. This is not implemented by all suppliers - it is primarily provided to assist with NAD/District Code lookup for suppliers operating on the Openreach network. This follows the concepts in TMF673 - Address Management API. ## Find address details including UPRN, NAD and other identifiers. - [GET /addresses](https://docs.thefibrecafe.net/openapi/prod/tenant-api/gen/address-lookup/handleaddresslookup.md): This endpoint can be called to lookup addresses and, in particular, address identifiers (e.g. NAD and District Code) to use in subsequent calls. Postal code or UPRN must be supplied. When using postal code, additional context such as house name, street number and/or street should be supplied to reduce returned results (results may be truncated by the underlying address source). Availability of this endpoint requires an address source to be configured - it is primarily provided to assist with NAD/District Code lookup for suppliers operating on the Openreach network.