Area code
Area code 551 — Jersey City, NJ
New Jersey · in service since December 29, 2001
Area code 551 covers parts of New Jersey; the place with the most of its prefixes is Jersey City. It is an overlay: 201 serves the same area, so neighbors can have different area codes.
Overlay, same area: 201
Local time in Jersey City
Spam reports from Sep 23 – Oct 22, 2026
Average #157 of 461 codes
578 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes315 assigned
- Runs out~2Q 2048
- Unwanted call?Block & report
Spam call reports about 551 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 12 |
| Sep 14 | 154 |
| Sep 21 | 185 |
| Sep 28 | 168 |
| Oct 5 | 111 |
| Oct 12 | 97 |
| Oct 19 (4 days) | 83 |
Compared with all codes
- Robocalls
- 71%all codes 75%
- Callers with the same code
- 5%all codes 35%
- Rank by complaints
- #157of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 10719 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 314 39% | |
| Dropped call or no message | 51 6% | |
| Calls pretending to be government, businesses, or family and friends | 46 6% | |
| Medical & prescriptions | 8 1% | |
| Lotteries, prizes & sweepstakes | 6 1% | |
| Energy, solar, & utilities | 4 <1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| New Jersey | 211 26% | |
| Florida | 60 7% | |
| California | 58 7% | |
| Texas | 57 7% | |
| New York | 43 5% |
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 551 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| JERSEYCITY | Jersey City | Hudson County | 53 |
| HACKENSACK | Hackensack | Bergen County | 47 |
| BAYONNE | Bayonne | Hudson County | 32 |
| UNION CITY | Union City | Hudson County | 24 |
| RAMSEY | Ramsey | Bergen County | 20 |
| FAIR LAWN | Fair Lawn | Bergen County | 17 |
| CLIFFSIDE | — | — | 14 |
| KEARNY | Kearny | Hudson County | 11 |
| RIDGEWOOD | Ridgewood | Bergen County | 10 |
| CLOSTER | Closter | Bergen County | 8 |
Plus 12 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- New Jersey
- Assigned by NANPA
- April 2, 2001
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-277
Source: NANPA, NPA database of Oct 24, 2026.
Is 551 running out of numbers?
Previous forecast (October 2025): 2046, moved later by 2 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 551 prefixes
The five largest of 30 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 71 23% | |
| Omnipoint Communications, Inc. | 68 22% | |
| Verizon Wireless | 44 14% | |
| New Cingular Wireless PCS, LLC | 27 9% | |
| Fractel, LLC | 16 5% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 551
What area code is 551?
A New Jersey area code, in service since December 29, 2001.
Where is 551 area code, and what time zone is it in?
Jersey City, NJ; Eastern Time.
Why am I getting spam calls from 551?
578 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 551 get a new area code?
NANPA forecasts exhaust in 2Q 2048; no relief planning listed.