Area Code +1-787-(4257000...4257999) located in Guaynabo, 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 : 4257000 Subscriber Number To : 4257999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS GA 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 : Guaynabo Timezone : America/Puerto_Rico Coordinated Universal Time : -04:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 18.3600 Longitude : -66.1100 ‹ previous : +1-787-(4256000...4256999) next › : +1-787-(4258000...4258999) Dialling Instructions For trunk calls: 1 787 4257000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 787 4257000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4257000 ~ 4257999 (Count: 1,000) Example: +1-787-4257000 / 0111-787-4257000 (1787-4257000 / 1-787-4257000) +1-787-4257001 / 0111-787-4257001 (1787-4257001 / 1-787-4257001) +1-787-4257002 / 0111-787-4257002 (1787-4257002 / 1-787-4257002) +1-787-4257003 / 0111-787-4257003 (1787-4257003 / 1-787-4257003) +1-787-4257004 / 0111-787-4257004 (1787-4257004 / 1-787-4257004) ...+1-787-xxxxxxx / 0111-787-xxxxxxx (1787-xxxxxxx / 1-787-xxxxxxx) ...+1-787-4257995 / 0111-787-4257995 (1787-4257995 / 1-787-4257995) +1-787-4257996 / 0111-787-4257996 (1787-4257996 / 1-787-4257996) +1-787-4257997 / 0111-787-4257997 (1787-4257997 / 1-787-4257997) +1-787-4257998 / 0111-787-4257998 (1787-4257998 / 1-787-4257998) +1-787-4257999 / 0111-787-4257999 (1787-4257999 / 1-787-4257999)