CallataGuides

Get a local business phone number in Zion, IL

Zion's area codes, prefixes and carriers from NANPA records, and how to put a Zion number in front of your customers.

Area code
224 / 847
Exchanges
14NANPA-assigned
Carriers
7
Population
24,583Census 2024 est.

Zion area codes

Zion city is a Census place in Lake County, Illinois, with an estimated 24,583 residents in 2024. NANPA lists 14 exchanges for its rate center across 2 area codes; 224 has the most (8, 57%). 224 is part of an overlay with 847, so a new local number in Zion may carry any of those codes depending on which have numbers available. Zion is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 224 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Zion, IL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
224857%2002847Central
847643%1996224Central

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Zion exchanges by carrier

7 carriers hold the 14 exchanges assigned to Zion's rate center. T-mobile USA, INC. has the most, with 5. 10 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Zion can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Zion, IL
Carrier (NANPA operating company)ExchangesShare
T-mobile USA, INC.536%
Illinois Bell Tel CO321%
Teleport Communications America, LLC - Il214%
Ton80 Communications, LLC17.1%
Paetec Itel, LLC17.1%
Fractel, LLC17.1%
Bandwidth.com CLEC, LLC - Il17.1%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Zion phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Zion's rate center (ZION). The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

Prefixes assigned in Zion, IL
Area codePrefixes (NXX)
224272, 304, 362, 702, 717, 730, 774, 789
847246, 379, 731, 746, 872, 912

Source: NANPA utilized central office code file.

When Zion's exchanges were assigned

Assignment dates show when each block of Zion numbers was added to the local supply.

Zion, IL: exchanges by decade assigned
Decade assignedExchangesShare
2000s450%
2010s450%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

What makes a number local to Zion

What a caller sees as "local" is the area code plus prefix. In Zion, those come from the ZION rate center, as recorded by NANPA.

Keeping an existing Zion number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 224 when you pick it.

Businesses around Zion

Zion is part of the Chicago-Naperville-Elgin, IL-IN metro area, home to 9.4 million people in 2024. County Business Patterns counted 248,519 business establishments in the Chicago, IL-IN metro area in 2023, employing 4,285,971 people. The largest sectors by establishment count are professional, scientific, and technical services (32,828), health care and social assistance (29,768), and retail trade (25,308).

Selected industries in the Chicago, IL-IN metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants8,179139,86917.1
Full-service restaurants7,371149,53220.3
Law offices5,86546,4497.9
Physician practices5,69380,10114.1
Residential remodelers5,23012,6552.4
Dental offices4,88130,7676.3
Offices of real estate agents and brokers4,25211,7862.8
General freight trucking companies (local)4,04014,8693.7

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

A Zion number on Callata

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Zion, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Chicago, IL-IN metro area, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$339.00$4,068.00
Quo (Starter)$19.00 per user$323.00$3,876.00
Nextiva (Core)$23.00 per user$391.00$4,692.00
Ooma (Office Pro)$24.95 per user$424.15$5,089.80
Dialpad (Standard)$27.00 per user$459.00$5,508.00
RingCentral (RingEX Core)$30.00 per user$510.00$6,120.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Zion, IL?

Zion has exchanges in 224 and 847; 224 has the most.

How many phone companies have exchanges in Zion?

7, holding 14 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Zion business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Zion?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).