There are definitely a lot of cities that has their own post office, and most cities have two or more. It is definitely a must for a city to have their own post office considering that there are lots of services which can be used by many in their respective post offices, it includes exchange of currencies, sending of faxes and even paying of utility bills and taxes. If ever you wanted your mails to have their own stamp, then you can go look for postal services who sells their own stamps. The standard envelope shape is rectangle and does not exceed five millimeters in thickness. The envelope that you chose can also be sealed with a staple or a clip. The maximum weight limit for parcels is 20 kilograms, for books it’s five kilograms, and for correspondence is two kilograms. Read more at https://en.wikipedia.org/wiki/Postal_service_(disambiguation)
If you are looking for a wide range of services for a company, then you can resort to Correios e Telecomunica??es since they have a lot to offer such as electronic mail, postal banking and even express post services. If you happen to wait for a mail that was sent within the country, then the maximum days that you should wait is only three days. In addition to regular maul, customers can opt for registered mail services, which include EMS9, EMS12, EMS18, EMS Advantage, EMS Pronto, and Quick National. Delivery of posts on the same day can also be an option. This service is available to customers in Porto, Lisbon, and Braga. More info here
There are also specific conditions that you need to follow, for instance, if you ever happen to send a parcel to a country outside of the European Union, then you really need to make a customs declaration. If ever a psychotropic substance and narcotic drugs are under international control, live animals, animal products cut flowers, meat, fish and other certain medications, then it is important for Portuguese to know that they are not allowed to send or receive it. There are lots of possibilities that can happen if this is the case, the goods can either be seized, destroyed, or they can even be returned to their origin. Read more
It is really important for Portuguese to resort in Postal services in Portugal since it only cost up to five percent less compared to other European countries. the trends in other European states are only followed by the national postal system. The staff from smaller post offices rarely speaks English, so you should either go there with someone who speaks Portuguese or head over to a larger post office in the metropolitan area.