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Get a local business phone number in Chatsworth, IL

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

Area code
779 / 815
Exchanges
2NANPA-assigned
Carriers
2
Population
1,320Census 2024 est.

Chatsworth area codes

Chatsworth, in Livingston County, Illinois, had a Census-estimated population of 1,320 in July 2024. NANPA lists 2 exchanges for its rate center across 2 area codes; 779 has the most (1, 50%). 779 is part of an overlay with 815, so a new local number in Chatsworth may carry any of those codes depending on which have numbers available. Chatsworth is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 779 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Chatsworth, IL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
779150%2007815Central
815150%1947779Central

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

Chatsworth exchanges by carrier

2 carriers hold the 2 exchanges assigned to Chatsworth's rate center. Stratus Networks has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Carriers holding exchanges in Chatsworth, IL
Carrier (NANPA operating company)ExchangesShare
Stratus Networks150%
Frontier North, INC. - Il150%

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 Chatsworth

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Chatsworth. The earliest assignment date recorded in the file for these codes is 2020. 1 of the 2 were assigned in 2020 or later.

Prefixes assigned in Chatsworth, IL
Area codePrefixes (NXX)
779308
815635

Source: NANPA utilized central office code file.

What makes a number local to Chatsworth

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

New local numbers are drawn from carrier inventory, so the exact 779 numbers available change over time; porting an existing number is free.

The local business market

Chatsworth is part of the Pontiac, IL micropolitan area, home to 35,375 people in 2024. County Business Patterns counted 826 business establishments in the Pontiac, IL micropolitan area in 2023, employing 10,906 people. The largest sectors by establishment count are retail trade (124), other services (except public administration) (106), and construction (88).

Selected industries in the Pontiac, IL micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants313049.8
Insurance agencies and brokerages22783.5
Limited-service restaurants2236516.6
General automotive repair shops15825.5
General freight trucking companies (local)15442.9
Residential remodelers14——
Law offices13443.4
Plumbing, heating and air-conditioning contractors12——

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

Business phone service in Chatsworth

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.

Porting a number you already use in Chatsworth is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

A 13-person team is the benchmark here, the rounded average establishment size in the Pontiac, IL micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $390.00 a month and Ooma Office Pro $324.35. Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 13-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$259.00$3,108.00
Quo (Starter)$19.00 per user$247.00$2,964.00
Nextiva (Core)$23.00 per user$299.00$3,588.00
Ooma (Office Pro)$24.95 per user$324.35$3,892.20
Dialpad (Standard)$27.00 per user$351.00$4,212.00
RingCentral (RingEX Core)$30.00 per user$390.00$4,680.00

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 Chatsworth, IL?

Chatsworth has exchanges in 779 and 815; 779 has the most.

How many phone companies have exchanges in Chatsworth?

2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Chatsworth 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 Chatsworth?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 13 users come to $259.00 a month. For comparison, 13 users on RingCentral RingEX Core list at $390.00 a month (checked September 28, 2026).