I regularly go to 2 post offices:
The Bequia Island Post Office is located in a multifunctional building. Bequia is one of the Grenadine Islands which, together with Saint Vincent, form Saint Vincent and the Grenadines.
The lady who works there was kind enough to carefully hand cancel the stamps on all my cards.
This is late, but I passed by an all women post office after dropping off some mail yesterday!
There’s a long way to go to ensure equal opportunities but it’s nice to see India Post working towards that objective.
strolling through Ciudad Rodrigo Salamanca, Spain
The Vázquez house was built at the beginning of the sixteenth century by Francisco Vázquez, known as El Indiano, whose tomb can be seen in the nearby parish of San Pedro.
The façade, open at an angle, is Gothic with vegetal decoration and framed by alfiz. Above it is the coat of arms of the Vázquez family.
The Águilas succeeded this estate and in the nineteenth century it fell by inheritance to the Bernaldo de Quirós, who redecorated its interior in 1923.
King Alfonso XIII stayed in this house in 1928. It has been a post office since 1944.
This is an English post office that has not been updated in years, it is in Stafford, Staffordshire.
My city, Cheyenne, Wyoming, has three post offices, but I only ever use two of them:
Neither of these pick up mail on weekends, so every once in awhile I’ll go to the huge post office which offers all the full USPS services if I have something that I want to get out on a Saturday.
I like that the flooring is made of wood.
Post office in Istanbul 
There are no postboxes outside and inside as well. You have to give your postcards to the staff member at the counter.
in my city Saint Petersburg I live in.
where I usually drop off all my Postcrossing cards.