Area code
Area code 559 — Fresno, CA
California · in service since November 14, 1998
Area code 559 covers parts of California; the place with the most of its prefixes is Fresno. It is an overlay: 357 serves the same area, so neighbors can have different area codes.
Overlay, same area: 357
Local time in Fresno
Spam reports from Sep 23 – Oct 22, 2026
Average #136 of 461 codes
609 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zonePacific Time
- Local calls1 + 10 digits
- Prefixes800 assigned
- Runs out~4Q 2072
- Unwanted call?Block & report
Spam call reports about 559 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 34 |
| Sep 14 | 155 |
| Sep 21 | 126 |
| Sep 28 | 105 |
| Oct 5 | 128 |
| Oct 12 | 150 |
| Oct 19 (4 days) | 147 |
Compared with all codes
- Robocalls
- 80%all codes 75%
- Callers with the same code
- 25%all codes 35%
- Rank by complaints
- #136of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 10012 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 269 32% | |
| Dropped call or no message | 120 14% | |
| Calls pretending to be government, businesses, or family and friends | 61 7% | |
| Medical & prescriptions | 10 1% | |
| Vacation & timeshares | 10 1% | |
| Home improvement & cleaning | 9 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| California | 419 50% | |
| Texas | 41 5% | |
| Florida | 36 4% | |
| Michigan | 30 4% | |
| Illinois | 26 3% |
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 559 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| FRESNO | Fresno | Fresno County | 264 |
| VISALIA | Visalia | Tulare County | 83 |
| CLOVIS | Clovis | Fresno County | 41 |
| MADERA | Madera | Madera County | 34 |
| HANFORD | Hanford | Kings County | 31 |
| PORTERVL | Porterville | Tulare County | 29 |
| TULARE | Tulare | Tulare County | 25 |
| DINUBA | Dinuba | Tulare County | 13 |
| LEMOORE | Lemoore | Kings County | 13 |
| REEDLEY | Reedley | Fresno County | 13 |
Plus 50 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- California
- Assigned by NANPA
- November 6, 1997
- Created from
- 209
- Local dialing
- 1 + 10 digits (NANPA: 1+10D)
- NANPA planning letters
- PL-624, PL-098
Source: NANPA, NPA database of Oct 24, 2026.
Is 559 running out of numbers?
Previous forecast (October 2025): 2067, moved later by 5 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 559 prefixes
The five largest of 49 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Pacific Bell | 182 23% | |
| New Cingular Wireless PCS, LLC | 123 15% | |
| Onvoy, LLC | 56 7% | |
| T-Mobile USA, Inc. | 56 7% | |
| Verizon Wireless | 52 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 559
What area code is 559?
A California area code, in service since November 14, 1998.
Where is 559 area code, and what time zone is it in?
Fresno, CA; Pacific Time.
Why am I getting spam calls from 559?
609 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 559 get a new area code?
NANPA forecasts exhaust in 4Q 2072; no relief planning listed.