North American Numbers Source-cited · ownership disclosed
Area code
787
In service
United States · since 1996

Puerto Rico

Area code 787 is the primary area code for the whole territory of Puerto Rico. It was created in 1996 when Puerto Rico split off from the former Caribbean area code 809, and has been overlaid by 939 since 2001.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Puerto Rico
Type
geographic
Status
in service
In service since
1996
Projected exhaust
2054 Q2

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 787 is

The entire Commonwealth of Puerto Rico..

Communities served wholly or partly by 787:

San JuanBayamónCarolinaPonceCaguasMayagüez
B · Relationships

How it relates to other codes

The codes 787 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Split from · 1996 809 787 split from the shared Caribbean 809 in 1996.
Overlay · 2001 939 Puerto Rico (overlay) 939 overlays the identical Puerto Rico geography.
What's changing. Overlaid by 939 since 2001; 10-digit dialing mandatory territory-wide.
C · History

How 787 got here

1996-03-01
Assigned when Puerto Rico split from area code 809; permissive 809 dialing ran through Jan 31, 1997.
Source: Wikipedia
2001-09-15
Overlay 939 introduced, requiring 10-digit dialing.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
800
Prefixes available
0
Thousands-blocks assigned
1,525

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 787 with another code →
Sources
Wikipedia ↗
Area codes 787 and 939
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.