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Get a local business phone number in Irvington, IL

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

Area code
618
Exchanges
2NANPA-assigned
Carriers
2
Population
1,149Census 2024 est.

Area codes in Irvington

Irvington township is a Census town in Washington County, Illinois, with an estimated 1,149 residents in 2024. All 2 exchanges NANPA lists for its rate center are in area code 618. 618 is part of an overlay with 730, so a new local number in Irvington may carry any of those codes depending on which have numbers available. Irvington is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 618 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Irvington, IL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
6182100%1947730Central

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

Phone carriers in Irvington

2 carriers hold the 2 exchanges assigned to Irvington's rate center. Citizens Telecom CO Illinois-frontier Citizens -il 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 Irvington, IL
Carrier (NANPA operating company)ExchangesShare
Citizens Telecom CO Illinois-frontier Citizens -il150%
Charter Ip Enabled Services, LLC150%

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 Irvington

These are the central office codes NANPA records for Irvington. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2021. 1 of the 2 were assigned in 2020 or later.

Prefixes assigned in Irvington, IL
Area codePrefixes (NXX)
618249, 766

Source: NANPA utilized central office code file.

Rate centers and local calling in Irvington

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

New local numbers are drawn from carrier inventory, so the exact 618 numbers available change over time; porting an existing number is free.

Who does business near Irvington

Irvington is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 322,415 business establishments in Illinois in 2023, employing 5,661,761 people. The largest sectors by establishment count are professional, scientific, and technical services (37,946), health care and social assistance (37,597), and retail trade (35,801).

Selected industries in Illinois, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants10,622189,55217.8
Full-service restaurants9,928188,62819.0
Law offices6,91852,4347.6
Physician practices6,775106,59515.7
Residential remodelers6,20915,6032.5
Dental offices5,78137,9486.6
Insurance agencies and brokerages5,67940,4867.1
Landscaping services5,03423,3314.6

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

Setting up a Irvington business line

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Irvington, 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.

An 18-person team is the benchmark here, the rounded average establishment size in Illinois. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

Monthly list price for an 18-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$359.00$4,308.00
Quo (Starter)$19.00 per user$342.00$4,104.00
Nextiva (Core)$23.00 per user$414.00$4,968.00
Ooma (Office Pro)$24.95 per user$449.10$5,389.20
Dialpad (Standard)$27.00 per user$486.00$5,832.00
RingCentral (RingEX Core)$30.00 per user$540.00$6,480.00

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 Irvington, IL?

618. All exchanges NANPA lists for Irvington are in 618.

How many phone companies have exchanges in Irvington?

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

Can I keep my existing Irvington 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 Irvington?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).