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Get a local business phone number in Gillette, WY

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

Area code
307
Exchanges
21NANPA-assigned
Carriers
8
Population
33,846Census 2024 est.

Gillette area codes

Gillette, in Campbell County, Wyoming, had a Census-estimated population of 33,846 in July 2024. All 21 exchanges NANPA lists for its rate center are in area code 307. Gillette is in the Mountain time zone.

According to NANPA's dialing-plan data, local calls within 307 are dialed as seven digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Gillette, WY
Area codeExchanges hereShareIn service sinceOverlay withTime zone
30721100%1947noneMountain

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

Who holds Gillette phone exchanges

8 carriers hold the 21 exchanges assigned to Gillette's rate center. New Cingular Wireless PCS, LLC has the most, with 5. 9 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Gillette, WY
Carrier (NANPA operating company)ExchangesShare
New Cingular Wireless PCS, LLC524%
Qwest Corporation524%
Bandwidth.com CLEC, LLC - WY314%
Cellco Partnership d/b/a Verizon Wireless - WY314%
Union Telephone Company29.5%
Level 3 Communications, LLC - WY14.8%
Onvoy, LLC - WY14.8%
Advanced Communications Technology, INC. - WY14.8%

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.

Gillette phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Gillette's rate center (GILLETTE). The earliest assignment date recorded in the file for these codes is 2002. 2 of the 21 were assigned in 2020 or later.

Prefixes assigned in Gillette, WY
Area codePrefixes (NXX)
307228, 257, 299, 363, 387, 434, 487, 567, 622, 660, 670, 680, 681, 682, 685, 686, 687, 688, 689, 696, 704

Source: NANPA utilized central office code file.

When Gillette's exchanges were assigned

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

Gillette, WY: exchanges by decade assigned
Decade assignedExchangesShare
2000s542%
2010s542%
2020s217%

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

Rate centers and local calling in Gillette

What a caller sees as "local" is the area code plus prefix. In Gillette, those come from the GILLETTE rate center, as recorded by NANPA.

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

Businesses around Gillette

Gillette is part of the Gillette, WY micropolitan area, home to 47,946 people in 2024. County Business Patterns counted 1,512 business establishments in the Gillette, WY micropolitan area in 2023, employing 19,308 people. The largest sectors by establishment count are construction (188), retail trade (177), and other services (except public administration) (156).

Selected industries in the Gillette, WY micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants3690425.1
Offices of real estate agents and brokers34441.3
Electrical contractors312839.1
Limited-service restaurants3168422.1
Hotels and motels2632412.5
Physician practices251576.3
Law offices22823.7
Residential remodelers22512.3

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

Setting up a Gillette business line

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 Gillette 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 Gillette, WY micropolitan area, 13 users on RingCentral RingEX Core come to $390.00 a month and on Ooma Office Pro $324.35, at month-to-month list prices checked September 28, 2026. Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 13-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$259.00$3,108.00
Quo (Starter)$19.00 per user$247.00$2,964.00
Nextiva (Core)$23.00 per user$299.00$3,588.00
Ooma (Office Pro)$24.95 per user$324.35$3,892.20
Dialpad (Standard)$27.00 per user$351.00$4,212.00
RingCentral (RingEX Core)$30.00 per user$390.00$4,680.00

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 Gillette, WY?

307. All exchanges NANPA lists for Gillette are in 307.

How many phone companies have exchanges in Gillette?

8, holding 21 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Gillette 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 Gillette?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 13 users come to $259.00 a month. For comparison, 13 users on RingCentral RingEX Core list at $390.00 a month (checked September 28, 2026).