CallataGuides

Get a local business phone number in New Lenox, IL

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

Area code
815 / 779
Exchanges
10NANPA-assigned
Carriers
6
Population
44,907Census 2024 est.

Area codes in New Lenox

With 44,907 residents in the Census 2024 estimate, New Lenox sits in Will County, Illinois. NANPA lists 10 exchanges for its rate center across 2 area codes; 815 has the most (7, 70%). 815 is part of an overlay with 779, so a new local number in New Lenox may carry any of those codes depending on which have numbers available. New Lenox is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 815 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in New Lenox, IL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
815770%1947779Central
779330%2007815Central

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

Phone carriers in New Lenox

6 carriers hold the 10 exchanges assigned to New Lenox's rate center. Illinois Bell Tel CO has the most, with 4. 8 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in New Lenox can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in New Lenox, IL
Carrier (NANPA operating company)ExchangesShare
Illinois Bell Tel CO440%
First Communications, LLC220%
Stratus Networks110%
Onvoy Spectrum, LLC110%
Bandwidth.com CLEC, LLC - Il110%
Peerless Network of Illinois, LLC - Il110%

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.

Local prefixes for New Lenox

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to New Lenox. The earliest assignment date recorded in the file for these codes is 2002. 2 of the 10 were assigned in 2020 or later.

Prefixes assigned in New Lenox, IL
Area codePrefixes (NXX)
779293, 391, 803
815215, 300, 320, 462, 463, 485, 717

Source: NANPA utilized central office code file.

When New Lenox's exchanges were assigned

The table groups New Lenox's exchanges by the decade NANPA recorded them as assigned.

New Lenox, IL: exchanges by decade assigned
Decade assignedExchangesShare
2000s233%
2010s233%
2020s233%

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

What makes a number local to New Lenox

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

New local numbers are drawn from carrier inventory, so the exact 815 numbers available change over time; porting an existing number is free.

The local business market

New Lenox 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 New Lenox

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 New Lenox 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.

The comparison below uses 17 users, the rounded average establishment size in the Chicago, IL-IN metro area. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.

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 New Lenox, IL?

New Lenox has exchanges in 815 and 779; 815 has the most.

How many phone companies have exchanges in New Lenox?

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

Can I keep my existing New Lenox 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 New Lenox?

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).