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Get a local business phone number in Krum, TX

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

Area code
940
Exchanges
3NANPA-assigned
Carriers
3
Population
6,799Census 2024 est.

What area code is Krum, TX?

With 6,799 residents in the Census 2024 estimate, Krum sits in Denton County, Texas. All 3 exchanges NANPA lists for its rate center are in area code 940. Krum is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 940 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Krum, TX
Area codeExchanges hereShareIn service sinceOverlay withTime zone
9403100%1997noneCentral

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

Who holds Krum phone exchanges

3 carriers hold the 3 exchanges assigned to Krum's rate center. CSC Voice, LLC 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 Krum, TX
Carrier (NANPA operating company)ExchangesShare
CSC Voice, LLC133%
Brightspeed of Texas, INC.133%
Fractel, LLC133%

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.

Krum phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Krum's rate center (KRUM). The earliest assignment date recorded in the file for these codes is 2021. 1 of the 3 were assigned in 2020 or later.

Prefixes assigned in Krum, TX
Area codePrefixes (NXX)
940398, 482, 499

Source: NANPA utilized central office code file.

How local numbers work in Krum

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

If your business already has a Krum number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Who does business near Krum

Krum is part of the Dallas-Fort Worth-Arlington, TX metro area, home to 8.3 million people in 2024. County Business Patterns counted 189,739 business establishments in the Dallas, TX metro area in 2023, employing 3,594,749 people. The largest sectors by establishment count are professional, scientific, and technical services (27,552), health care and social assistance (23,741), and retail trade (21,680).

Selected industries in the Dallas, TX metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants7,167152,83021.3
Physician practices6,62059,8359.0
Full-service restaurants5,669136,24724.0
Dental offices4,07731,0347.6
Law offices3,96928,2137.1
Offices of real estate agents and brokers3,66614,4173.9
Insurance agencies and brokerages3,50029,1248.3
Computer systems design services firms3,46341,85512.1

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

Setting up a Krum 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.

Porting a number you already use in Krum 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.

A 19-person team is the benchmark here, the rounded average establishment size in the Dallas, TX metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $570.00 a month and Ooma Office Pro $474.05. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 19-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$379.00$4,548.00
Quo (Starter)$19.00 per user$361.00$4,332.00
Nextiva (Core)$23.00 per user$437.00$5,244.00
Ooma (Office Pro)$24.95 per user$474.05$5,688.60
Dialpad (Standard)$27.00 per user$513.00$6,156.00
RingCentral (RingEX Core)$30.00 per user$570.00$6,840.00

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 Krum, TX?

940. All exchanges NANPA lists for Krum are in 940.

How many phone companies have exchanges in Krum?

3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Krum 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 Krum?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 19 users come to $379.00 a month. For comparison, 19 users on RingCentral RingEX Core list at $570.00 a month (checked September 28, 2026).