CallataGuides

Get a local business phone number in Montezuma, KS

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

Area code
620
Exchanges
2NANPA-assigned
Carriers
2
Population
1,563Census 2024 est.

Area codes in Montezuma

With 1,563 residents in the Census 2024 estimate, Montezuma sits in Gray County, Kansas. All 2 exchanges NANPA lists for its rate center are in area code 620. Montezuma 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 codes with exchanges in Montezuma, KS
Area codeExchanges hereShareIn service sinceOverlay withTime zone
6202100%2001noneCentral and Mountain

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

Who holds Montezuma phone exchanges

2 carriers hold the 2 exchanges assigned to Montezuma's rate center. Ideatek Telcom, LLC - KS has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Montezuma can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Montezuma, KS
Carrier (NANPA operating company)ExchangesShare
Ideatek Telcom, LLC - KS150%
United Tel. Assn., INC.150%

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 Montezuma

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Montezuma's rate center (MONTEZUMA). The earliest assignment date recorded in the file for these codes is 2022. 1 of the 2 were assigned in 2020 or later.

Prefixes assigned in Montezuma, KS
Area codePrefixes (NXX)
620578, 846

Source: NANPA utilized central office code file.

How local numbers work in Montezuma

What a caller sees as "local" is the area code plus prefix. In Montezuma, those come from the MONTEZUMA 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

Montezuma 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).

Selected industries in Kansas, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants2,23147,99321.5
Full-service restaurants2,19745,43920.7
Insurance agencies and brokerages1,94714,2277.3
Physician practices1,46620,96014.3
Offices of real estate agents and brokers1,3182,5191.9
Law offices1,1395,5864.9
Residential remodelers1,0683,8803.6
Plumbing, heating and air-conditioning contractors1,02811,41211.1

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

Setting up a Montezuma 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 Montezuma, 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 Kansas. 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.

Monthly list price for a 16-person team
Provider (plan)Pricing basisPer monthPer 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 Montezuma, KS?

620. All exchanges NANPA lists for Montezuma are in 620.

How many phone companies have exchanges in Montezuma?

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

Can I keep my existing Montezuma 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 Montezuma?

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).