Prefix 787-990 — Carolina, PR
Numbers in the 787-990 prefix are registered to the Carolina rate center in PR, inside area code 787. The prefix is the second block of a ten-digit US number (787-990-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list SUNCOM DBA T-MOBILE USA (OCN 8645) as the code holder, assigned May 13, 2022. Because 787-990 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area. The serving LATA is 820. Local time follows the Atlantic zone.
Spoofing means this prefix on your screen doesn't guarantee a Carolina caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 787-987 | Ponce | LIBERTY MOBILE PUERTO RICO INC. |
| 787-988 | Fajardo | SUNCOM DBA T-MOBILE USA |
| 787-989 | Santurce | SUNCOM DBA T-MOBILE USA |
| 787-991 | Aibonito | PUERTO RICO TEL. CO. |
| 787-992 | Yauco | LIBERTY MOBILE PUERTO RICO INC. |
| 787-993 | Santurce | LIBERTY MOBILE PUERTO RICO INC. |
FAQ
Where is 787-990 located?
The prefix is assigned to the Carolina rate center in PR, area code 787. It is part of the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area.
Which company owns 787-990 numbers?
SUNCOM DBA T-MOBILE USA holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 787-990 safe to answer?
The prefix itself says nothing about the caller. Legitimate Carolina businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.