CallataGuidesGet a local business phone number in Marion, IL
Marion's area codes, prefixes and carriers from NANPA records, and how to put a Marion number in front of your customers.
- Area code
- 618 / 730
- Exchanges
- 16NANPA-assigned
- Carriers
- 9
- Population
- 17,021Census 2024 est.
Area codes in Marion
Marion city is a Census place in Williamson County, Illinois, with an estimated 17,021 residents in 2024. NANPA lists 16 exchanges for its rate center across 2 area codes; 618 has the most (15, 94%). 618 is part of an overlay with 730, so a new local number in Marion may carry any of those codes depending on which have numbers available. Marion 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.
Who holds Marion phone exchanges
9 carriers hold the 16 exchanges assigned to Marion's rate center. Frontier North, INC. - Il has the most, with 4. 12 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Marion can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Frontier North, INC. - Il | 4 | 25% |
| Cellco Partnership d/b/a Verizon Wireless - Il | 3 | 19% |
| New Cingular Wireless PCS, LLC - Il | 3 | 19% |
| Futiva, LLC - Il | 1 | 6.3% |
| T-mobile USA, INC. | 1 | 6.3% |
| Teleport Communications America, LLC - Il | 1 | 6.3% |
| MCC Network Services, LLC | 1 | 6.3% |
| Level 3 Communications, LLC - Il | 1 | 6.3% |
| Onvoy, LLC | 1 | 6.3% |
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.
Local prefixes for Marion
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Marion. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 16 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 618 | 364, 422, 440, 579, 694, 751, 889, 922, 944, 964, 969, 992, 993, 997, 998 |
| 730 | 999 |
Source: NANPA utilized central office code file.
When Marion's exchanges were assigned
Assignment dates show when each block of Marion numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 4 | 57% |
| 2010s | 2 | 29% |
| 2020s | 1 | 14% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Marion
What a caller sees as "local" is the area code plus prefix. In Marion, those come from the MARION rate center, as recorded by NANPA.
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 Marion
Marion is part of the Marion-Herrin, IL micropolitan area, home to 67,064 people in 2024. County Business Patterns counted 1,597 business establishments in the Marion, IL micropolitan area in 2023, employing 26,291 people. The largest sectors by establishment count are retail trade (231), health care and social assistance (224), and other services (except public administration) (183).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 62 | 1,271 | 20.5 |
| Full-service restaurants | 49 | 1,065 | 21.7 |
| Physician practices | 45 | 1,321 | 29.4 |
| Insurance agencies and brokerages | 38 | — | — |
| Law offices | 32 | 133 | 4.2 |
| Plumbing, heating and air-conditioning contractors | 28 | 258 | 9.2 |
| Dental offices | 24 | 187 | 7.8 |
| Offices of real estate agents and brokers | 24 | — | — |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Marion number on Callata
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 Marion, 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.
The comparison below uses 16 users, the rounded average establishment size in the Marion, IL micropolitan area. At list prices checked September 28, 2026, that is $399.20 a month on Ooma Office Pro and $480.00 on RingCentral RingEX Core. On Callata the same 16 people cost $319.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $319.00 | $3,828.00 |
| Quo (Starter) | $19.00 per user | $304.00 | $3,648.00 |
| Nextiva (Core) | $23.00 per user | $368.00 | $4,416.00 |
| Ooma (Office Pro) | $24.95 per user | $399.20 | $4,790.40 |
| Dialpad (Standard) | $27.00 per user | $432.00 | $5,184.00 |
| RingCentral (RingEX Core) | $30.00 per user | $480.00 | $5,760.00 |
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 Marion, IL?
Marion has exchanges in 618 and 730; 618 has the most.
How many phone companies have exchanges in Marion?
9, holding 16 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Marion 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 Marion?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 16 users come to $319.00 a month. For comparison, 16 users on RingCentral RingEX Core list at $480.00 a month (checked September 28, 2026).