Area Code +1-787-(4558000...4558999) 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 : 4558000 Subscriber Number To : 4558999 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-(4557000...4557999) next › : +1-787-(4559000...4559999) Dialling Instructions For trunk calls: 1 787 4558000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 787 4558000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4558000 ~ 4558999 (Count: 1,000) Example: +1-787-4558000 / 0111-787-4558000 (1787-4558000 / 1-787-4558000) +1-787-4558001 / 0111-787-4558001 (1787-4558001 / 1-787-4558001) +1-787-4558002 / 0111-787-4558002 (1787-4558002 / 1-787-4558002) +1-787-4558003 / 0111-787-4558003 (1787-4558003 / 1-787-4558003) +1-787-4558004 / 0111-787-4558004 (1787-4558004 / 1-787-4558004) ...+1-787-xxxxxxx / 0111-787-xxxxxxx (1787-xxxxxxx / 1-787-xxxxxxx) ...+1-787-4558995 / 0111-787-4558995 (1787-4558995 / 1-787-4558995) +1-787-4558996 / 0111-787-4558996 (1787-4558996 / 1-787-4558996) +1-787-4558997 / 0111-787-4558997 (1787-4558997 / 1-787-4558997) +1-787-4558998 / 0111-787-4558998 (1787-4558998 / 1-787-4558998) +1-787-4558999 / 0111-787-4558999 (1787-4558999 / 1-787-4558999)