南城局邮 Southern City Bureau Post could imply the communication through

Relation Nicknames

南街邮寄 [nán jiē yóu jì]
Southern Street Post which might represent posting from a place or a period associated with Southern ...
旧长信老邮局 [jiù zhăng xìn lăo yóu jú]
This evokes memories or imagery related to a longexisting post office or postal service It suggests ...
南城邮局 [nán chéng yóu jú]
This can be translated to South City Post Office The person might want to convey a sense of connection ...
南寄 [nán jì]
Translating as Southern Post it suggests correspondence or communication with people or places ...