Area code
Area code 939 — Bayamón, PR
Puerto Rico · in service since September 15, 2001
Area code 939 covers all of Puerto Rico. It is an overlay: 787 serves the same area, so neighbors can have different area codes.
Overlay, same area: 787
Local time in Bayamón
Spam reports from Sep 23 – Oct 22, 2026
Too few reports for a level #408 of 461
14 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneAtlantic Standard Time (no daylight saving)
- Local calls10 digits
- Prefixes372 assigned
- Runs out~2Q 2054
- Unwanted call?Block & report
Spam call reports about 939 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 0 |
| Sep 14 | 6 |
| Sep 21 | 7 |
| Sep 28 | 4 |
| Oct 5 | 3 |
| Oct 12 | 2 |
| Oct 19 (4 days) | 0 |
Compared with all codes
- Robocalls
- 8 of 14
- Callers with the same code
- 27%all codes 35%
- Rank by complaints
- #408of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 129 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 5 23% | |
| Calls pretending to be government, businesses, or family and friends | 3 14% | |
| Dropped call or no message | 1 5% | |
| Other | 12 55% | |
| No subject given | 1 5% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Puerto Rico | 7 32% | |
| Colorado | 3 14% | |
| Ohio | 3 14% | |
| California | 2 9% | |
| Texas | 2 9% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 939 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| BAYAMONNOR | Bayamón | Bayamón Municipio | 103 |
| SANTURCE | San Juan | San Juan Municipio | 39 |
| CAROLINA | Carolina | Carolina Municipio | 16 |
| PONCE | Ponce | Ponce Municipio | 15 |
| BAYAMONSUR | — | — | 12 |
| AGUADILLA | Aguadilla | Aguadilla Municipio | 11 |
| CAGUAS | Caguas | Caguas Municipio | 9 |
| TRUJILLOAL | Trujillo Alto | Trujillo Alto Municipio | 8 |
| ARECIBO | Arecibo | Arecibo Municipio | 7 |
| ARROYO | Arroyo | Arroyo Municipio | 7 |
Plus 65 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Puerto Rico
- Assigned by NANPA
- May 31, 2000
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-293, PL-259, PL-236
Source: NANPA, NPA database of Oct 24, 2026.
Is 939 running out of numbers?
Previous forecast (October 2025): 2050, moved later by 4 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 939 prefixes
The five largest of 17 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| T-Mobile USA | 120 32% | |
| Claro Puerto Rico | 87 23% | |
| Liberty Mobile Puerto Rico Inc. | 62 17% | |
| Liberty Communications Of Puerto Rico LLC | 27 7% | |
| Natural G.C. Inc. | 14 4% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 939
What area code is 939?
A Puerto Rico area code, in service since September 15, 2001.
Where is 939 area code, and what time zone is it in?
Bayamón, PR; Atlantic Standard Time (no daylight saving).
Why am I getting spam calls from 939?
14 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 939 get a new area code?
NANPA forecasts exhaust in 2Q 2054; no relief planning listed.