| General Information about Area Code 787 | |
|---|---|
| Country | United States |
| State / Province / Territory | Puerto Rico |
| Major City | Humacao |
| Time Zone | Atlantic (UTC-04:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 787-977 | San Juan | San Juan | Landline |
| 787-232 | Guaynabo | Guaynabo | Wireless |
| 787-776 | Carolina | Carolina | Landline |
| 787-672 | Caguas | Caguas | Wireless |
| 787-258 | Caguas | Caguas | Landline |
| 787-488 | Guaynabo | Guaynabo | Wireless |
| 787-339 | Guaynabo | Guaynabo | Wireless |
| 787-802 | Corozal | Corozal | Landline |
| 787-949 | San Juan | San Juan | Wireless |
| 787-692 | San Juan | San Juan | Wireless |
| 787-428 | Guaynabo | Guaynabo | Wireless |
| 787-808 | Lajas | Lajas | Landline |
| 787-426 | Guaynabo | Guaynabo | Wireless |
| 787-589 | Aguada | Aguada | Landline |
| 787-782 | Guaynabo | Guaynabo | Landline |
| 787-831 | Mayaguez | Mayaguez | Landline |
| 787-885 | Ceiba | Ceiba | Landline |
| 787-443 | San Juan | San Juan | Wireless |
| 787-543 | Guayanilla | Guayanilla | Landline |
| 787-271 | Arroyo | Arroyo | Landline |