Post office locations in 00983
| Post Office | Address | Phone | Hours |
| CAROLINA | 1000 AVE SANCHEZ OSORIO CAROLINA, PR 00983 - 9998 | 787-762-8842 | Mon-Fri 09:00 AM - 06:00 PM Sat 10:00 AM - 02:00 PM Sun Closed |
| PLAZA CAROLINA | 200 AVE FRAGOSO STE 322 CAROLINA, PR 00983 - 9997 | 787-762-8842 | Mon-Fri 10:00 AM - 07:00 PM Sat 10:00 AM - 04:00 PM Sun Closed |