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US area code · California

559 area code

Where the 559 area code is, its overlay and how to dial a +1 559 number from anywhere.

CoversClovis, CaliforniaTime zonePacific (PT)TypeOverlay
Quick answer

The 559 area code is in Clovis, California, United States (Pacific (PT)). To call from abroad: +1 559 555-0123. It is an overlay, so all 10 digits are dialled.

StateCalifornia
Main areaClovis
Time zonePacific (PT)
TypeOverlay
10-digit dialingRequired
In service since06-Nov-1997

The 559 area code is a geographic North American Numbering Plan (NANP) code covering Clovis, California. It has been in service since 06-Nov-1997 and sits in the Pacific (PT) time zone.

Overlay 559 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

559209357

How to dial a 559 number

From abroad+1 559 555-0123
Within the US / Canada1 559 555-0123
Locally (same area)559 555-0123

Cities in the 559 area code

A 559 number is usually in one of these places in California — 4 counties.

Clovis FresnoFresno FresnoHanford KingsMadera MaderaPorterville TulareReedley FresnoTulare TulareVisalia Tulare

Other California area codes

209213279310323341350357369408415424442510530562

Frequently asked questions

Where is the 559 area code?

The 559 area code is in Clovis, California, United States (Pacific (PT)).

Is 559 an overlay area code?

Yes. 559 overlays the same region as 209, 357, so callers dial all 10 digits.

Do I have to dial 10 digits for 559?

Yes — dial the area code plus the seven-digit number.

How do I call a 559 number from another country?

Dial your exit code (or +), then 1, then 559, then the number: +1 559 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 559 number does not pinpoint a street or ZIP code.

Number holders in area code 559

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 797 prefixes are in use in 559, shared by 52 companies. The largest holders:

CompanyPrefixesShare
Pacific Bell18223%
New Cingular Wireless PCS, LLC12315%
T-Mobile USA, Inc.567%
Onvoy, LLC567%
Cellco Partnership Dba Verizon Wireless527%
Level 3 Communications, LLC446%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 559 numbers

Reports to the FTC, last 30 days
612
Recorded messages or robocalls
68%
Rank among area codes
#133 of 670
Most reported subjects
Other (282)
Reducing your debt (credit cards, mortgage, student loans) (124)
Dropped call or no message (94)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 559 — cities & rate centres

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