CallataGuidesGet a local business phone number in Iola, KS
Iola's area code, prefixes and carriers from NANPA records, and how to put a Iola number in front of your customers.
- Area code
- 620
- Exchanges
- 5NANPA-assigned
- Carriers
- 3
- Population
- 5,309Census 2024 est.
Area codes in Iola
With 5,309 residents in the Census 2024 estimate, Iola sits in Allen County, Kansas. All 5 exchanges NANPA lists for its rate center are in area code 620. Iola is in the Central and Mountain time zone.
According to NANPA's dialing-plan data, local calls within 620 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 620 | 5 | 100% | 2001 | none | Central and Mountain |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Iola
3 carriers hold the 5 exchanges assigned to Iola's rate center. Southwestern Bell has the most, with 3. 4 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Southwestern Bell | 3 | 60% |
| Cellco Partnership d/b/a Verizon Wireless - KS | 1 | 20% |
| United States Cellular - KS | 1 | 20% |
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 Iola
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Iola's rate center (IOLA). The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 620 | 228, 363, 365, 380, 901 |
Source: NANPA utilized central office code file.
What makes a number local to Iola
What a caller sees as "local" is the area code plus prefix. In Iola, those come from the IOLA rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 620 numbers available change over time; porting an existing number is free.
The local business market
Iola is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 76,139 business establishments in Kansas in 2023, employing 1,248,825 people. The largest sectors by establishment count are retail trade (9,580), health care and social assistance (9,075), and other services (except public administration) (8,071).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 2,231 | 47,993 | 21.5 |
| Full-service restaurants | 2,197 | 45,439 | 20.7 |
| Insurance agencies and brokerages | 1,947 | 14,227 | 7.3 |
| Physician practices | 1,466 | 20,960 | 14.3 |
| Offices of real estate agents and brokers | 1,318 | 2,519 | 1.9 |
| Law offices | 1,139 | 5,586 | 4.9 |
| Residential remodelers | 1,068 | 3,880 | 3.6 |
| Plumbing, heating and air-conditioning contractors | 1,028 | 11,412 | 11.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Iola
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.
Porting a number you already use in Iola 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in Kansas, 16 users on RingCentral RingEX Core come to $480.00 a month and on Ooma Office Pro $399.20, at month-to-month list prices checked September 28, 2026. Callata comes to $319.00 a month for 16 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 | $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 Iola, KS?
620. All exchanges NANPA lists for Iola are in 620.
How many phone companies have exchanges in Iola?
3, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Iola 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 Iola?
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).