Area Code +1-787-(4559000...4559999) 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 : 4559000 Subscriber Number To : 4559999 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 : AT&T INC. - PR 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-(4558000...4558999) next › : +1-787-(4570000...4579999) Dialling Instructions For trunk calls: 1 787 4559000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 787 4559000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4559000 ~ 4559999 (Count: 1,000) Example: +1-787-4559000 / 0111-787-4559000 (1787-4559000 / 1-787-4559000) +1-787-4559001 / 0111-787-4559001 (1787-4559001 / 1-787-4559001) +1-787-4559002 / 0111-787-4559002 (1787-4559002 / 1-787-4559002) +1-787-4559003 / 0111-787-4559003 (1787-4559003 / 1-787-4559003) +1-787-4559004 / 0111-787-4559004 (1787-4559004 / 1-787-4559004) ...+1-787-xxxxxxx / 0111-787-xxxxxxx (1787-xxxxxxx / 1-787-xxxxxxx) ...+1-787-4559995 / 0111-787-4559995 (1787-4559995 / 1-787-4559995) +1-787-4559996 / 0111-787-4559996 (1787-4559996 / 1-787-4559996) +1-787-4559997 / 0111-787-4559997 (1787-4559997 / 1-787-4559997) +1-787-4559998 / 0111-787-4559998 (1787-4559998 / 1-787-4559998) +1-787-4559999 / 0111-787-4559999 (1787-4559999 / 1-787-4559999)