CallataGuidesGet a local business phone number in Calumet City, IL
Calumet City's area codes, prefixes and carriers from NANPA records, and how to put a Calumet City number in front of your customers.
- Area code
- 708 / 464
- Exchanges
- 15NANPA-assigned
- Carriers
- 7
- Population
- 34,855Census 2024 est.
Calumet City area codes
Calumet City city is a Census place in Cook County, Illinois, with an estimated 34,855 residents in 2024. NANPA lists 15 exchanges for its rate center across 2 area codes; 708 has the most (13, 87%). 708 is part of an overlay with 464, so a new local number in Calumet City may carry any of those codes depending on which have numbers available. Calumet City is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 708 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Calumet City exchanges by carrier
7 carriers hold the 15 exchanges assigned to Calumet City's rate center. Illinois Bell Tel CO has the most, with 5. 11 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Illinois Bell Tel CO | 5 | 33% |
| Level 3 Communications, LLC - Il | 3 | 20% |
| Onvoy, LLC | 2 | 13% |
| Paetec Itel, LLC | 2 | 13% |
| Fractel, LLC | 1 | 6.7% |
| RCN Telecom Services of Illinios, INC. - Il | 1 | 6.7% |
| Teleport Communications America, LLC - Il | 1 | 6.7% |
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 Calumet City
These are the central office codes NANPA records for Calumet City. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 15 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 464 | 241, 666 |
| 708 | 322, 360, 419, 585, 730, 782, 801, 808, 832, 862, 868, 891, 933 |
Source: NANPA utilized central office code file.
When Calumet City's exchanges were assigned
The table groups Calumet City's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 25% |
| 2010s | 1 | 25% |
| 2020s | 2 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Calumet City
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Calumet City's numbers are rated to the CALUMET CY rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Calumet City number.
If your business already has a Calumet City number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Calumet City
Calumet City 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).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 8,179 | 139,869 | 17.1 |
| Full-service restaurants | 7,371 | 149,532 | 20.3 |
| Law offices | 5,865 | 46,449 | 7.9 |
| Physician practices | 5,693 | 80,101 | 14.1 |
| Residential remodelers | 5,230 | 12,655 | 2.4 |
| Dental offices | 4,881 | 30,767 | 6.3 |
| Offices of real estate agents and brokers | 4,252 | 11,786 | 2.8 |
| General freight trucking companies (local) | 4,040 | 14,869 | 3.7 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Calumet City 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.
Porting a number you already use in Calumet City 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.
| Provider (plan) | Pricing basis | Per month | Per 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 Calumet City, IL?
Calumet City has exchanges in 708 and 464; 708 has the most.
How many phone companies have exchanges in Calumet City?
7, holding 15 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Calumet City 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 Calumet City?
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).