Area code
339
339 is a United States area code. Under the North American Numbering Plan it belongs to Massachusetts, which has 9 area codes in total.
Validate a number in 339
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Area code 339 at a glance
NANPA lists 103 central office codes (prefixes) in use in area code 339, held by 22 holders across 35 rate centers.
| Fact | Value |
|---|---|
| In service since | 2001-05-02 |
| Time zone | Eastern (E) |
| Assigned overlays | 781 (1997-09-01) |
| Prefixes in use | 103 |
| Pooled prefixes | 103 (100%) |
| Rate centers | 35 |
| Companies holding prefixes | 22 |
| Assignment dates on file | 2001-03-19 to 2025-07-01 (97 prefixes) |
| ZIP codes in its places | 54 |
Rate centers in area code 339
| Rate center | Prefixes | Share |
|---|---|---|
| LYNN | 9 | 9% |
| BRYANTVL | 7 | 7% |
| WEYMOUTH | 7 | 7% |
| SAUGUS | 6 | 6% |
| LEXINGTON | 5 | 5% |
| MEDFORD | 5 | 5% |
| WOBURN | 5 | 5% |
| RANDOLPH | 4 | 4% |
| 27 other rate centers | 55 | 53% |
Who holds the prefixes in 339
Verizon Wireless holds the most prefixes, 22 (21%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
| Holder | Prefixes | Share |
|---|---|---|
| Verizon Wireless | 22 | 21% |
| Onvoy | 18 | 17% |
| Paetec Itel | 11 | 11% |
| Level 3 Communications | 8 | 8% |
| Fractel | 7 | 7% |
| Ton80 Communications | 7 | 7% |
| 16 other carriers | 30 | 29% |
A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. Find which carrier a number is on, or browse the prefix holders.
History of area code 339
- 1997-09-01 Area code 781, named as the parent of 339 in the NANPA report, was in service.
- 2001-05-02 Area code 339 went into service.
Area codes nearest to 339
Distance is measured between the centers of the ZIP code places each area code serves, so it is a rough guide.
Overlay codes in the same area
ZIP codes in area code 339
54 ZIP codes fall in places that have a rate center in this area code.
| Place | ZIP codes |
|---|---|
| Lynn, MA | 6 |
| Waltham, MA | 4 |
| Woburn, MA | 4 |
A ZIP code and an area code are unrelated systems. A ZIP code can sit in more than one area code, and an area code spans many ZIP codes.
Complaints on file for 339 numbers
1,137 FCC complaints are on file for 776 numbers in 339, most often filed as "Unwanted Calls". These are unverified consumer reports.
| Year of latest complaint | Numbers |
|---|---|
| 2023 | 91 |
| 2024 | 105 |
| 2025 | 52 |
Other area codes in Massachusetts
Massachusetts is one state with 9 area codes in the NANPA table. 339 is one of them.
Next to 339 in the numbering table
These are the codes just before and after 339 when all are sorted by number. They are neighbours on the list, not necessarily on the map.
What the area code does and does not tell you
A number that starts with 339 was first assigned in Massachusetts. That is a fact about where the number began, and it is a useful hint when you check a form entry, for example a billing address in Massachusetts next to a 339 phone number.
It does not show where the person is today. A number stays with its owner after a move or a change of provider (number portability), and mobile numbers travel with the handset. The area code also cannot tell you whether the line is active, who the carrier is, or whether the number is mobile or fixed: the plan shares those ranges. Read more about the area code, the numbering plan and line type.
Check numbers in bulk with the API
| Product | Credits | Docs |
|---|---|---|
| Phone Numbering-Plan Validation | 1 credit per valid number | API docs |
| Phone Intelligence (carrier and line status) | 1 credit per check (invalid numbers outside the US and Canada are free) | Product page |
Questions about area code 339
Where is area code 339?
NANPA assigns area code 339 to Massachusetts, United States.
In which state does area code 339 sit?
Massachusetts. 339 is one of 9 area codes the NANPA table assigns to the state.
Which places does area code 339 cover?
The places with the most ZIP codes among the rate centers in 339 are Lynn, MA, Waltham, MA and Woburn, MA. The rate center list on this page shows all of them.
Who owns area code 339?
NANPA assigns area codes. Within 339, Verizon Wireless holds the most prefixes, 22 prefixes or 21%.
Which time zone does 339 use?
The NANPA NPA report lists the time zone for 339 as Eastern (E).
What year did 339 enter service?
The NANPA NPA report gives an in-service date of 2001-05-02, so 339 has been in use since 2001.
Does area code 339 have an overlay?
Yes. 781 (in service 1997-09-01) shares the same area with 339, so numbers from all of them are local to each other.
Which area codes are nearest to 339?
The area codes closest to 339, measured between the centers of the ZIP code places they serve, are 617 (about 2 miles), 857 (about 3 miles), 508 (about 17 miles), 774 (about 24 miles) and 351 (about 25 miles).
How many prefixes does area code 339 have?
NANPA's report dated 2026-10-17 lists 103 prefixes in service in 339, spread over 35 rate centers and 22 holders.
Are there complaints about 339 numbers?
The FCC data on file has 1,137 complaints for 776 numbers in 339. They are unverified consumer reports. A number with no complaints on file is not proven safe.
Area code assignments: North American Numbering Plan Administrator NPA report, file dated 10/17/2026, retrieved 2026-10-17. Source file. New codes are assigned several times a year. Prefixes, rate centers, holders, time zone, in-service date and overlays: NANPA central office code report dated 2026-10-17 and NPA report dated 2026-10-18. Complaints: FCC consumer complaints open data, fetched 2026-10-17. ZIP code places: Postal code places and coordinates: GeoNames (geonames.org), licensed CC BY 4.0.