City Name / Region National Dialing Format International Dialing Format
Rio Grande1 (787) 334-XXXX+1 (787) 334-XXXX
Rio Grande1 (787) 550-XXXX+1 (787) 550-XXXX
Rio Grande1 (787) 564-XXXX+1 (787) 564-XXXX
Rio Grande1 (787) 657-XXXX+1 (787) 657-XXXX
Rio Grande1 (787) 668-XXXX+1 (787) 668-XXXX
Rio Grande1 (787) 809-XXXX+1 (787) 809-XXXX
Rio Grande1 (787) 887-XXXX+1 (787) 887-XXXX
Rio Grande1 (787) 888-XXXX+1 (787) 888-XXXX