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Get a local business phone number in Algonquin, IL

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

Area code
224 / 847
Exchanges
43NANPA-assigned
Carriers
11
Population
88,915Census 2024 est.

Area codes in Algonquin

Algonquin, in McHenry County, Illinois, had a Census-estimated population of 88,915 in July 2024. NANPA lists 43 exchanges for its rate center across 2 area codes; 224 has the most (36, 84%). 224 is part of an overlay with 847, so a new local number in Algonquin may carry any of those codes depending on which have numbers available. Algonquin 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 Algonquin, IL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
2243684%2002847Central
847716%1996224Central

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

Phone carriers in Algonquin

11 carriers hold the 43 exchanges assigned to Algonquin's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 17. 41 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Algonquin, IL
Carrier (NANPA operating company)ExchangesShare
New Cingular Wireless PCS, LLC - Il1740%
T-mobile USA, INC.1023%
Illinois Bell Tel CO49.3%
Level 3 Communications, LLC - Il37.0%
Onvoy, LLC24.7%
Fractel, LLC24.7%
Comcast Ip Phone, LLC12.3%
Mcimetro Access Transmission Services LLC - Il12.3%
Metropcs, INC.12.3%
Bandwidth.com CLEC, LLC - Il12.3%
RCN Telecom Services of Illinios, INC. - Il12.3%

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.

Exchanges (NPA-NXX) assigned in Algonquin

These are the central office codes NANPA records for Algonquin. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 16 of the 43 were assigned in 2020 or later.

Prefixes assigned in Algonquin, IL
Area codePrefixes (NXX)
224209, 241, 249, 253, 256, 333, 348, 375, 389, 397, 401, 410, 428, 450, 462, 509, 514, 556, 566, 600, 609, 613, 617, 618, 623, 638, 678, 681, 687, 690, 703, 704, 713, 716, 817, 829
847458, 532, 594, 658, 854, 915, 960

Source: NANPA utilized central office code file.

When Algonquin's exchanges were assigned

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

Algonquin, IL: exchanges by decade assigned
Decade assignedExchangesShare
2000s514%
2010s1643%
2020s1643%

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

How local numbers work in Algonquin

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Algonquin's numbers are rated to the ALGONQUIN rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Algonquin number.

New local numbers are drawn from carrier inventory, so the exact 224 numbers available change over time; porting an existing number is free.

The local business market

Algonquin 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.

Business phone service in Algonquin

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in Algonquin, 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 Algonquin, IL?

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

How many phone companies have exchanges in Algonquin?

11, holding 43 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Algonquin 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 Algonquin?

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).