Area Code +1-787-(4420000...4429999) 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 : 4420000 Subscriber Number To : 4429999 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 : IP SOLUTIONS - 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-(4410000...4419999) next › : +1-787-(4430000...4439999) Dialling Instructions For trunk calls: 1 787 4420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 787 4420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4420000 ~ 4429999 (Count: 10,000) Example: +1-787-4420000 / 0111-787-4420000 (1787-4420000 / 1-787-4420000) +1-787-4420001 / 0111-787-4420001 (1787-4420001 / 1-787-4420001) +1-787-4420002 / 0111-787-4420002 (1787-4420002 / 1-787-4420002) +1-787-4420003 / 0111-787-4420003 (1787-4420003 / 1-787-4420003) +1-787-4420004 / 0111-787-4420004 (1787-4420004 / 1-787-4420004) ...+1-787-xxxxxxx / 0111-787-xxxxxxx (1787-xxxxxxx / 1-787-xxxxxxx) ...+1-787-4429995 / 0111-787-4429995 (1787-4429995 / 1-787-4429995) +1-787-4429996 / 0111-787-4429996 (1787-4429996 / 1-787-4429996) +1-787-4429997 / 0111-787-4429997 (1787-4429997 / 1-787-4429997) +1-787-4429998 / 0111-787-4429998 (1787-4429998 / 1-787-4429998) +1-787-4429999 / 0111-787-4429999 (1787-4429999 / 1-787-4429999)