939 Area Code

Area Code 939 Location: Puerto Rico

Area code 939 covers the entire island of Puerto Rico.

Overlay System

Area code 939 is an overlay to area code 787. This means that both area codes serve the same geographic region of Puerto Rico. Area code 787 was established in 1996, and area code 939 was introduced in or about September 2001. Ten-digit dialing is required for all calls within this region.

Area Code 939 Location Map

Area code 939 is a general purpose code which was placed in service on September 15, 2001.

939 Area Code Prefixes

Our Puerto Rico phone number lookup service will analyze the three-digit prefix of any 939 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Puerto Rico geographic region, and local calling area associated with the phone number.

Phone numbers follow the following structure under the North American Numbering Plan:

• NPA- area code (where the number was originally assigned)
• NXX - Central office code that locates the specific neighborhood and identifies the service provider
• XXXX - Subscriber number identifies the individual phone line within that local exchange

Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.

Prefixes by Company

Company	Number of Prefixes
PUERTO RICO TELCO DBA CLARO PUERTO RICO	22
NEW CINGULAR WIRELESS PCS, LLC - GA	18
SUNCOM DBA T-MOBILE USA	13
LIBERTY COMMUNICATIONS OF PUERTO RICO LLC	5
AT&T, INC. - PR	3
SPRINT SPECTRUM, L.P.	3
PUERTO RICO TEL. CO.	1
TELEFONICA LARGA DISTANCIA DE PUERTO RICO - PR	1

Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.

Prefixes by Rate Center

Rate Center	Number of Prefixes
BAYAMONNOR	25
SANTURCE	14
BAYAMONSUR	3
PONCE	3
AGUADILLA	2
ARROYO	2
CAGUAS	2
CAROLINA	2
LEVITTOWN	2
RIOPIEDRAS	2
ARECIBO	1
CAYEY	1
FLORIDA	1
HORMIGUERO	1
LAS MARIAS	1
MANATI	1
PUEBLOVIEJ	1
VILLALBA	1
YAUCO	1

Other Puerto Rico Area Codes

Browse other Puerto Rico area codes: