the internet code for Puerto Rico is - ".pr".
Information about .pr domains
There are estimated to be about 4,817 domains with .pr suffix (2014).
The Intended use for .pr domains is for entities connected with Puerto Rico.
Actual use: Fairly popular in Puerto Rico.
The .pr internet code was Introduced in 1989.
The Sponsoring Organisation for .pr domains is "Gauss Research Laboratory Inc.".
Structure of .pr ccTLD: Registrations are at third level beneath second level labels; second-level registrations are available at higher cost.
Registration restrictions of .pr domain: Some subdomains have restrictions; .isla.pr is less expensive but limited to Puerto Rico residents.
Gauss Research Laboratory Inc.'s contact details - See link
For .pr domain registration click on the following link - See link
For a whois search on .pr domains click on the following link - See link
You can see more details about the .pr ccTLD in Wikipedia - See link
Internet website in Puerto Rico with .pr code (2014)
.pr code is used by less than 0.10% of all world's websites.
Most popular websites with .pr domain
Internet ipaddress and mailsevers
IP Addresses: 1,142,402.
Number of Internet Users (2014)
Puerto Rico makes up 0.07% of the world's Internet users and it ranked on 96 place compared to other countries in the world.
According to data from internetlivestats.com there are 2,027,549 internet users in Puerto Rico, which makes up about 55.04% of Puerto Rico's population (3,683,601).
Search for .pr domains on google Puerto Rico - See link
SOURCES OF INFORMATION
Domain Count Statistics for TLDs - See link