Area Code +1-787-(7778000...7778999) located in Rio Piedras, Puerto Rico (PR), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 787 Subscriber Number From : 7778000 Subscriber Number To : 7778999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : PUERTO RICO TEL CO Click here to buy Puerto Rico Area Code Database Other Information Language Code : es (Spanish) Country Number : 630 (Puerto Rico) Country Code : PR (Puerto Rico) Region Code : PR Region Name : Puerto Rico City : Rio Piedras Timezone : America/Puerto_Rico Coordinated Universal Time : -04:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 18.4000 Longitude : -66.0500 ‹ previous : +1-787-(7777000...7777999) next › : +1-787-(7779000...7779999) Dialling Instructions For trunk calls: 1 787 7778000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 787 7778000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7778000 ~ 7778999 (Count: 1,000) Example: +1-787-7778000 / 0111-787-7778000 (1787-7778000 / 1-787-7778000) +1-787-7778001 / 0111-787-7778001 (1787-7778001 / 1-787-7778001) +1-787-7778002 / 0111-787-7778002 (1787-7778002 / 1-787-7778002) +1-787-7778003 / 0111-787-7778003 (1787-7778003 / 1-787-7778003) +1-787-7778004 / 0111-787-7778004 (1787-7778004 / 1-787-7778004) ...+1-787-xxxxxxx / 0111-787-xxxxxxx (1787-xxxxxxx / 1-787-xxxxxxx) ...+1-787-7778995 / 0111-787-7778995 (1787-7778995 / 1-787-7778995) +1-787-7778996 / 0111-787-7778996 (1787-7778996 / 1-787-7778996) +1-787-7778997 / 0111-787-7778997 (1787-7778997 / 1-787-7778997) +1-787-7778998 / 0111-787-7778998 (1787-7778998 / 1-787-7778998) +1-787-7778999 / 0111-787-7778999 (1787-7778999 / 1-787-7778999)