623 Area CodePhoenix, AZ

Area code 623 covers Phoenix and 25 other cities in Arizona: 1,423,672 people in Maricopa County, on UTC-7. It overlays 480 and 602.

Major City: Phoenix
State: Arizona (AZ)
Timezone: (UTC-7)
Current Time: –:––
Overlay: Yes – shares area with 480, 602

Nearby Area Codes

520 (Tucson, AZ)
928 (Yuma, AZ)
702/725 (Las Vegas, NV)
435 (St. George, UT)
619/858 (San Diego, CA)
840/909 (San Bernardino, CA)
951 (Riverside, CA)
442/760 (Oceanside, CA)

Where is area code 623?

Overview of the 623 Area Code

Geographic Coverage of the 623 Area Code

All 26 cities

Phoenix
1,673,164
Glendale
258,143
Peoriaalso 928
199,924
Surprisealso 928
167,564
Goodyear
118,186
Buckeyealso 928
114,334

Phoenix Area Codes Overview

What cities does area code 623 cover?

City	State	Population	Population in 623	% of listed-city population	% of City
Phoenix	AZ	1,673,164	400,517	59.7%	23.9%
Glendale	AZ	258,143	224,119	9.2%	86.8%
Peoria	AZ	199,924	168,914	7.1%	84.5%
Surprise	AZ	167,564	167,564	6.0%	100.0%
Goodyear	AZ	118,186	118,186	4.2%	100.0%
Buckeye	AZ	114,334	90,708	4.1%	79.3%
Avondale	AZ	96,609	96,609	3.5%	100.0%
Sun City	AZ	37,499	37,499	1.3%	100.0%
El Mirage	AZ	36,468	36,468	1.3%	100.0%
Sun City West	AZ	24,535	24,535	0.9%	100.0%
Anthem	AZ	21,700	21,700	0.8%	100.0%
New River	AZ	14,952	14,952	0.5%	100.0%
Tolleson	AZ	9,353	9,353	0.3%	100.0%
Youngtown	AZ	7,062	7,062	0.3%	100.0%
Litchfield Park	AZ	6,863	6,863	0.3%	100.0%
Cave Creek	AZ	5,177	0	0.2%	0.0%
Citrus Park	AZ	4,028	4,028	0.1%	100.0%
Black Canyon City	AZ	2,837	2,837	0.1%	100.0%
Gila Bend	AZ	1,847	0	0.1%	0.0%
Wittmann	AZ	763	763	0.0%	100.0%
Morristown	AZ	227	227	0.0%	100.0%
Arlington	AZ	194	194	0.0%	100.0%
Theba	AZ	158	0	0.0%	0.0%
Wintersburg	AZ	136	136	0.0%	100.0%
Tonopah	AZ	60	60	0.0%	100.0%
Santa Cruz	AZ	37	0	0.0%	0.0%

City population is shown in full; each city's share inside 623 is measured from Census tract centroids.

What counties does area code 623 cover?

County	State	Population in 623	% of area-code footprint	% of County
Maricopa County	AZ	1,423,672	100%	32%

Sources:

Census PEP Vintage 2024 (city populations)
· 2020 Census tract centroids with NANP and TIGERweb boundaries (footprint, counties, city shares)
· NANPA NPA and CO Code reports (dates, prefixes)
· Methodology

Has area code 623 been reported for unwanted calls?

Yes – 2,078 FTC complaints, May 29 – Oct 1, 2026.

63% robocalls
↑ 34% vs prior period
FTC data, retrieved 2026-10-05

Most-reported subjects

Other44%924
Medical & prescriptions18%373
Calls pretending to be government, businesses, or family and friends10%199

Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints.

Which prefixes and exchanges belong to area code 623?

30% assigned to a telco

69% Landline
31% Wireless
0% Unknown

Prefix	Usage	Carrier

(623)200-	Landline	Onvoy
(623)201-	Landline	Mcimetro Access Transmission Services
(623)202-	Wireless	T-Mobile Usa
(623)203-	Wireless	New Cingular Wireless Pcs
(623)204-	Wireless	New Cingular Wireless Pcs
(623)205-	Wireless	New Cingular Wireless Pcs
(623)206-	Wireless	New Cingular Wireless Pcs
(623)207-	Landline	Qwest
(623)208-	Wireless	Verizon Wireless
(623)209-	Landline	Allstream
(623)210-	Wireless	T-Mobile Usa
(623)212-	Wireless	T-Mobile Usa
(623)213-	Wireless	T-Mobile Usa
(623)214-	Landline	Qwest
(623)215-	Landline	Mcleodusa Telecommunication Services
(623)216-	Landline	Metropcs
(623)217-	Wireless	T-Mobile Usa
(623)218-	Landline	Mcimetro Access Transmission Services
(623)219-	Landline	Metropcs
(623)221-	Wireless	T-Mobile Usa
(623)222-	Landline	Qwest
(623)223-	Wireless	New Cingular Wireless Pcs
(623)224-	Wireless	New Cingular Wireless Pcs
(623)225-	Wireless	New Cingular Wireless Pcs
(623)226-	Landline	Metropcs
(623)227-	Landline	Bandwidth.Com Clec
(623)228-	Landline	At&T
(623)229-	Wireless	New Cingular Wireless Pcs
(623)230-	Wireless	T-Mobile Usa
(623)231-	Landline	Level 3 Communications
(623)232-	Landline	Qwest
(623)233-	Wireless	Verizon Wireless
(623)234-	Landline	Qwest
(623)235-	Landline	Qwest
(623)236-	Wireless	Verizon Wireless
(623)237-	Wireless	Verizon Wireless
(623)238-	Wireless	Verizon Wireless
(623)239-	Wireless	T-Mobile Usa
(623)240-	Landline	Xo Arizona
(623)241-	Wireless	New Cingular Wireless Pcs
(623)242-	Landline	Level 3 Communications
(623)243-	Wireless	Verizon Wireless
(623)244-	Landline	Onvoy
(623)245-	Landline	Qwest
(623)246-	Landline	Metropcs
(623)247-	Landline	Qwest
(623)248-	Landline	Qwest
(623)249-	Wireless	Verizon Wireless
(623)250-	Landline	Bandwidth.Com Clec
(623)251-	Wireless	Verizon Wireless
(623)252-	Landline	Level 3 Communications
(623)253-	Landline	Level 3 Communications
(623)254-	Landline	Metropcs
(623)255-	Wireless	T-Mobile Usa
(623)256-	Landline	Comcast Ip Phone
(623)257-	Landline	Bandwidth.Com Clec
(623)258-	Wireless	Verizon Wireless
(623)259-	Landline	Level 3 Communications
(623)261-	Wireless	T-Mobile Usa
(623)262-	Wireless	Verizon Wireless
(623)263-	Landline	Onvoy
(623)264-	Wireless	T-Mobile Usa
(623)265-	Landline	Centurylink Communications
(623)266-	Landline	Comcast Ip Phone
(623)267-	Landline	Ton80 Communications
(623)268-	Wireless	T-Mobile Usa
(623)269-	Landline	Comcast Ip Phone
(623)270-	Landline	Comcast Ip Phone
(623)271-	Wireless	Verizon Wireless
(623)272-	Wireless	T-Mobile Usa
(623)273-	Wireless	T-Mobile Usa
(623)274-	Landline	Level 3 Communications
(623)275-	Wireless	T-Mobile Usa
(623)276-	Wireless	T-Mobile Usa
(623)277-	Wireless	New Cingular Wireless Pcs
(623)278-	Landline	Telnyx
(623)279-	Landline	Onvoy Spectrum
(623)280-	Wireless	T-Mobile Usa
(623)281-	Wireless	T-Mobile Usa
(623)282-	Landline	Mcimetro Access Transmission Services
(623)283-	Landline	Onvoy
(623)284-	Wireless	T-Mobile Usa
(623)285-	Landline	Qwest
(623)286-	Wireless	T-Mobile Usa
(623)287-	Landline	Commio
(623)288-	Landline	Onvoy
(623)289-	Landline	Bandwidth.Com Clec
(623)290-	Wireless	T-Mobile Usa
(623)291-	Landline	Nuso
(623)292-	Landline	Metropcs
(623)293-	Landline	At&T
(623)294-	Landline	Onvoy
(623)295-	Landline	Bandwidth.Com Clec
(623)296-	Wireless	T-Mobile Usa
(623)297-	Wireless	T-Mobile Usa
(623)298-	Landline	Mcimetro Access Transmission Services
(623)299-	Landline	Mcimetro Access Transmission Services
(623)300-	Landline	Onvoy
(623)301-	Wireless	Verizon Wireless
(623)302-	Wireless	Verizon Wireless
(623)303-	Landline	Onvoy
(623)304-	Landline	Onvoy
(623)305-	Wireless	New Cingular Wireless Pcs
(623)306-	Wireless	Verizon Wireless
(623)308-	Landline	Teleport Communications America
(623)312-	Landline	Comcast Ip Phone
(623)313-	Wireless	New Cingular Wireless Pcs
(623)320-	Wireless	T-Mobile Usa
(623)321-	Landline	Onvoy
(623)322-	Landline	Comcast Ip Phone
(623)323-	Landline	Onvoy
(623)324-	Landline	Onvoy Spectrum
(623)326-	Wireless	T-Mobile Usa
(623)327-	Landline	Qwest
(623)328-	Landline	Qwest
(623)329-	Wireless	New Cingular Wireless Pcs
(623)330-	Wireless	T-Mobile Usa
(623)332-	Wireless	T-Mobile Usa
(623)333-	Landline	Qwest
(623)334-	Landline	Qwest
(623)335-	Landline	Bandwidth.Com Clec
(623)336-	Wireless	New Cingular Wireless Pcs
(623)337-	Landline	Teleport Communications America
(623)340-	Wireless	T-Mobile Usa
(623)341-	Wireless	T-Mobile Usa
(623)343-	Landline	Onvoy
(623)344-	Landline	Allstream
(623)349-	Landline	Allstream
(623)352-	Landline	Onvoy
(623)356-	Landline	Fractel
(623)362-	Landline	Qwest
(623)363-	Wireless	New Cingular Wireless Pcs
(623)374-	Landline	Qwest
(623)376-	Landline	Qwest
(623)377-	Wireless	Verizon Wireless
(623)383-	Landline	Xo Arizona
(623)385-	Landline	Level 3 Telecom Of Arizona
(623)386-	Landline	Qwest
(623)387-	Wireless	New Cingular Wireless Pcs
(623)388-	Landline	Qwest
(623)393-	Landline	Qwest
(623)396-	Wireless	New Cingular Wireless Pcs
(623)398-	Landline	Xo Arizona
(623)399-	Wireless	T-Mobile Usa
(623)400-	Landline	Fractel
(623)401-	Landline	Onvoy
(623)404-	Landline	Centurylink Communications
(623)412-	Landline	Qwest
(623)414-	Landline	Allstream
(623)418-	Wireless	New Cingular Wireless Pcs
(623)419-	Wireless	New Cingular Wireless Pcs
(623)428-	Landline	Bandwidth.Com Clec
(623)432-	Wireless	T-Mobile Usa
(623)433-	Wireless	T-Mobile Usa
(623)434-	Landline	Qwest
(623)435-	Landline	Qwest
(623)439-	Landline	Onvoy Spectrum
(623)440-	Landline	Comcast Ip Phone
(623)444-	Landline	Teleport Communications America
(623)445-	Landline	Qwest
(623)451-	Wireless	T-Mobile Usa
(623)455-	Landline	Level 3 Communications
(623)462-	Landline	Onvoy
(623)463-	Landline	Qwest
(623)465-	Landline	Qwest
(623)466-	Landline	Comcast Ip Phone
(623)469-	Landline	Bandwidth.Com Clec
(623)471-	Landline	Qwest
(623)473-	Wireless	Verizon Wireless
(623)474-	Landline	Qwest
(623)476-	Landline	Mcimetro Access Transmission Services
(623)478-	Landline	Qwest
(623)486-	Landline	Qwest
(623)487-	Landline	Qwest
(623)492-	Landline	Qwest
(623)498-	Wireless	New Cingular Wireless Pcs
(623)499-	Landline	Mcimetro Access Transmission Services
(623)500-	Landline	Onvoy
(623)505-	Landline	Global Crossing Local Services
(623)512-	Landline	Allstream
(623)516-	Landline	Qwest
(623)518-	Landline	Mcimetro Access Transmission Services
(623)521-	Wireless	T-Mobile Usa
(623)522-	Landline	Metropcs
(623)523-	Landline	Qwest
(623)524-	Landline	Qwest
(623)526-	Landline	Onvoy
(623)533-	Wireless	T-Mobile Usa
(623)535-	Landline	Qwest
(623)536-	Landline	Qwest
(623)537-	Landline	Qwest
(623)544-	Landline	Qwest
(623)546-	Landline	Qwest
(623)547-	Landline	Qwest
(623)551-	Landline	Qwest
(623)552-	Wireless	T-Mobile Usa
(623)556-	Landline	Qwest
(623)561-	Landline	Qwest
(623)562-	Landline	Comcast Ip Phone
(623)565-	Landline	Allstream
(623)566-	Landline	Qwest
(623)570-	Wireless	T-Mobile Usa
(623)572-	Landline	Qwest
(623)580-	Landline	Qwest
(623)581-	Landline	Qwest
(623)582-	Landline	Qwest
(623)583-	Landline	Qwest
(623)584-	Landline	Qwest
(623)587-	Landline	Qwest
(623)594-	Landline	Comcast Ip Phone
(623)600-	Landline	Fractel
(623)606-	Wireless	New Cingular Wireless Pcs
(623)624-	Landline	Onvoy
(623)628-	Wireless	T-Mobile Usa
(623)632-	Landline	Onvoy Spectrum
(623)633-	Wireless	Verizon Wireless
(623)640-	Wireless	Verizon Wireless
(623)643-	Landline	Qwest
(623)663-	Landline	Onvoy
(623)666-	Landline	Onvoy
(623)670-	Wireless	Verizon Wireless
(623)680-	Wireless	Verizon Wireless
(623)683-	Landline	Comcast Ip Phone
(623)687-	Landline	Mcimetro Access Transmission Services
(623)688-	Wireless	Verizon Wireless
(623)691-	Landline	Qwest
(623)692-	Wireless	Verizon Wireless
(623)693-	Wireless	Verizon Wireless
(623)694-	Wireless	Verizon Wireless
(623)695-	Wireless	Verizon Wireless
(623)696-	Wireless	Verizon Wireless
(623)698-	Wireless	Verizon Wireless
(623)703-	Wireless	T-Mobile Usa
(623)707-	Landline	Teleport Communications America
(623)715-	Landline	Teleport Communications America
(623)734-	Landline	Mcimetro Access Transmission Services
(623)738-	Landline	Level 3 Communications
(623)742-	Landline	Qwest
(623)745-	Landline	Mcimetro Access Transmission Services
(623)748-	Landline	Level 3 Communications
(623)755-	Wireless	New Cingular Wireless Pcs
(623)759-	Landline	Mcimetro Access Transmission Services
(623)760-	Landline	Teleport Communications America
(623)764-	Landline	Metropcs
(623)772-	Landline	Qwest
(623)773-	Landline	Qwest
(623)776-	Landline	Qwest
(623)777-	Landline	Peerless Network Of Arizona
(623)780-	Landline	Qwest
(623)792-	Landline	Level 3 Telecom Of Arizona
(623)800-	Landline	Onvoy
(623)806-	Landline	Gila Local Exchange Carrier
(623)810-	Wireless	Verizon Wireless
(623)815-	Landline	Qwest
(623)824-	Landline	Teleport Communications America
(623)825-	Landline	Qwest
(623)826-	Wireless	Verizon Wireless
(623)832-	Landline	Qwest
(623)842-	Landline	Qwest
(623)845-	Landline	Qwest
(623)846-	Landline	Qwest
(623)847-	Landline	Qwest
(623)848-	Landline	Qwest
(623)849-	Landline	Qwest
(623)850-	Landline	Allstream
(623)853-	Landline	Qwest
(623)856-	Landline	Qwest
(623)866-	Landline	Qwest
(623)869-	Landline	Qwest
(623)872-	Landline	Qwest
(623)873-	Landline	Qwest
(623)875-	Landline	Qwest
(623)876-	Landline	Qwest
(623)877-	Landline	Qwest
(623)878-	Landline	Qwest
(623)879-	Landline	Qwest
(623)880-	Landline	American Messaging Services
(623)882-	Landline	Qwest
(623)887-	Landline	Onvoy
(623)888-	Landline	Peerless Network Of Arizona
(623)889-	Landline	Allstream
(623)900-	Landline	Onvoy
(623)907-	Landline	Qwest
(623)910-	Wireless	Verizon Wireless
(623)915-	Landline	Qwest
(623)920-	Landline	Radiantiq
(623)925-	Landline	Qwest
(623)930-	Landline	Qwest
(623)931-	Landline	Qwest
(623)932-	Landline	Qwest
(623)933-	Landline	Qwest
(623)934-	Landline	Qwest
(623)935-	Landline	Qwest
(623)936-	Landline	Qwest
(623)937-	Landline	Qwest
(623)939-	Landline	Qwest
(623)972-	Landline	Qwest
(623)974-	Landline	Qwest
(623)975-	Landline	Qwest
(623)977-	Landline	Qwest
(623)979-	Landline	Qwest
(623)980-	Wireless	Verizon Wireless
(623)986-	Wireless	Verizon Wireless
(623)999-	Landline	Onvoy
No prefixes match “”.

Frequently Asked Questions about the 623 Area Code

Who called me from a 623 number?

31% of its assigned prefixes are wireless. Largest holders: Qwest, T-Mobile Usa, and Verizon Wireless.

Is 623 a scam area code?

Carriers hold 30% of its possible prefixes.

Why do I keep getting calls from the 623 area code?

Complaints rose 34% on the prior period.

Should I answer an unknown 623 number?

63% of its FTC complaints were robocalls. Its most-reported specific subject was "Medical & prescriptions", at 18%.

How do I block calls from the 623 area code?

Blocking 623 still lets 480 and 602 numbers through.

Where is area code 623?

623 covers 26 cities and 1,423,672 residents in Maricopa County, Arizona.

When did area code 623 go into service?

623 went into service on March 1, 1999. It was added to overlay 602. 480 also shares its territory.

Is 623 a real area code?

Yes: 28 carriers hold its prefixes, serving 26 cities in Maricopa County.

What timezone is the 623 area code in?

623 is on UTC-7.

How do I call a 623 number from abroad?

Dial +1 623, then the number.

623 Area CodePhoenix, AZ

Overview

Nearby Area Codes

Where is area code 623?

Overview of the 623 Area Code

Geographic Coverage of the 623 Area Code

Phoenix Area Codes Overview

What cities does area code 623 cover?

What counties does area code 623 cover?

Has area code 623 been reported for unwanted calls?

Most-reported subjects

Which prefixes and exchanges belong to area code 623?

Frequently Asked Questions about the 623 Area Code

Who called me from a 623 number?

Is 623 a scam area code?

Why do I keep getting calls from the 623 area code?

Should I answer an unknown 623 number?

How do I block calls from the 623 area code?

Where is area code 623?

When did area code 623 go into service?

Is 623 a real area code?

What timezone is the 623 area code in?

How do I call a 623 number from abroad?

Related Area Codes