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Get a local business phone number in Keenesburg, CO

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

Area code
720 / 303
Exchanges
12NANPA-assigned
Carriers
6
Population
2,054Census 2024 est.

Area codes in Keenesburg

Keenesburg town is a Census place in Weld County, Colorado, with an estimated 2,054 residents in 2024. NANPA lists 12 exchanges for its rate center across 2 area codes; 720 has the most (9, 75%). 720 is part of an overlay with 303 and 983, so a new local number in Keenesburg may carry any of those codes depending on which have numbers available. Keenesburg is in the Mountain time zone.

According to NANPA's dialing-plan data, local calls within 720 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Keenesburg, CO
Area codeExchanges hereShareIn service sinceOverlay withTime zone
720975%1998303, 983Mountain
303325%1947720, 983Mountain

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

Keenesburg exchanges by carrier

6 carriers hold the 12 exchanges assigned to Keenesburg's rate center. Bandwidth.com CLEC, LLC - CO has the most, with 6. 12 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Keenesburg can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Keenesburg, CO
Carrier (NANPA operating company)ExchangesShare
Bandwidth.com CLEC, LLC - CO650%
Onvoy, LLC - CO217%
Level 3 Communications, LLC - CO18.3%
Onvoy Spectrum, LLC18.3%
Qwest Corporation18.3%
Vonage America LLC18.3%

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.

Exchanges (NPA-NXX) assigned in Keenesburg

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Keenesburg's rate center (KEENESBURG). The earliest assignment date recorded in the file for these codes is 2006. 4 of the 12 were assigned in 2020 or later.

Prefixes assigned in Keenesburg, CO
Area codePrefixes (NXX)
303578, 616, 732
720336, 547, 580, 615, 702, 729, 735, 797, 918

Source: NANPA utilized central office code file.

When Keenesburg's exchanges were assigned

The table groups Keenesburg's exchanges by the decade NANPA recorded them as assigned.

Keenesburg, CO: exchanges by decade assigned
Decade assignedExchangesShare
2000s19.1%
2010s655%
2020s436%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

What makes a number local to Keenesburg

NANPA ties every exchange to a rate center. For Keenesburg that is KEENESBURG, so a number from one of these exchanges reads as local to people in and around Keenesburg.

New local numbers are drawn from carrier inventory, so the exact 720 numbers available change over time; porting an existing number is free.

The local business market

Keenesburg is part of the Greeley, CO metro area, home to 370,000 people in 2024. County Business Patterns counted 7,454 business establishments in the Greeley, CO metro area in 2023, employing 101,420 people. The largest sectors by establishment count are construction (1,204), professional, scientific, and technical services (760), and other services (except public administration) (689).

Selected industries in the Greeley, CO metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Offices of real estate agents and brokers2056503.2
Limited-service restaurants1934,38022.7
Landscaping services1771,6269.2
Full-service restaurants1723,22618.8
Plumbing, heating and air-conditioning contractors1491,0957.3
Electrical contractors1461,4219.7
Residential remodelers1374613.4
Insurance agencies and brokerages1305214.0

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

A Keenesburg number on Callata

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in Keenesburg 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 the Greeley, CO metro area, 14 users on RingCentral RingEX Core come to $420.00 a month and on Ooma Office Pro $349.30, at month-to-month list prices checked September 28, 2026. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 14-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$279.00$3,348.00
Quo (Starter)$19.00 per user$266.00$3,192.00
Nextiva (Core)$23.00 per user$322.00$3,864.00
Ooma (Office Pro)$24.95 per user$349.30$4,191.60
Dialpad (Standard)$27.00 per user$378.00$4,536.00
RingCentral (RingEX Core)$30.00 per user$420.00$5,040.00

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 Keenesburg, CO?

Keenesburg has exchanges in 720 and 303; 720 has the most.

How many phone companies have exchanges in Keenesburg?

6, holding 12 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Keenesburg 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 Keenesburg?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).