Area code

PR

United States geographic area code, in service since 1996-03-01. Part of the 787/939 overlay complex — ten-digit dialing required.

Split from 809. Created 939. Overlaid with 939 .

Statusin service

Introduced1996-03-01

JurisdictionPR, US

Local dialing10D

Time zoneAtlantic

Last verified2026-09-17

Utilization 101% of assignable prefixes assigned As of 09/17/2026

0%800 of ~792 assignable NXX values (200–999 excl. N11)100%

Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-01-11, most recent 2023-03-29.

Area codes serve rate-center geographies, not municipal boundaries. “PR” identifies the jurisdiction, not an exact city footprint.

Top assignees

Ranked by assigned prefixes · initial assignee ≠ current carrier

Largest initial assignees in area code 787
Rank	Assignee	Prefixes	Share
01	PUERTO RICO TEL. CO.	249	31.1%
02	LIBERTY MOBILE PUERTO RICO INC.	238	29.8%
03	SUNCOM DBA T-MOBILE USA	99	12.4%
04	PUERTO RICO TELCO DBA CLARO PUERTO RICO	86	10.8%
05	OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR	33	4.1%
06	METROPCS, INC.	25	3.1%
07	WORLDNET TELECOMMUNICATIONS, INC. - PR	23	2.9%
08	MULTIPLE OCN LISTING	9	1.1%
09	BORINQUEN BEEPERS, INC.	7	0.9%
10		7	0.9%

Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.

Change history

Recorded events for this NPA

2001-01-26 Delayed 10-Digit Dialing in NPA 787 (Puerto Rico) other
2000-07-26 NPA 939 To Overlay NPA 787 (Puerto Rico) overlay
1996-03-01Area code 787 entered service (created from 809).

Planning letters & orders

Primary documents

NANPA planning letters for area code 787
Date	Document	Subject
2001-01-26	PL-259 ↗	Delayed 10-Digit Dialing in NPA 787 (Puerto Rico)
2000-07-26	PL-236 ↗	NPA 939 To Overlay NPA 787 (Puerto Rico)
1995-12-11	IL-95-12-005 ↗	NANP-INTRODUCTION OF NEW 787 (PUERTO RICO) NUMBERING PLAN AREA (NPA)

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