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Get a local business phone number in Evanston, WY

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

Area code
307
Exchanges
13NANPA-assigned
Carriers
9
Population
11,691Census 2024 est.

Area codes in Evanston

With 11,691 residents in the Census 2024 estimate, Evanston sits in Uinta County, Wyoming. All 13 exchanges NANPA lists for its rate center are in area code 307. Evanston 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 Evanston, WY
Area codeExchanges hereShareIn service sinceOverlay withTime zone
30713100%1947noneMountain

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

Evanston exchanges by carrier

9 carriers hold the 13 exchanges assigned to Evanston's rate center. Level 3 Communications, LLC - WY has the most, with 2. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Evanston can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Evanston, WY
Carrier (NANPA operating company)ExchangesShare
Level 3 Communications, LLC - WY215%
Cellco Partnership d/b/a Verizon Wireless - WY215%
Union Telephone Company215%
Qwest Corporation215%
Uintah Basin Electronic Telecommunications17.7%
Airus, INC. - WY17.7%
Onvoy, LLC - WY17.7%
All West/wyoming, INC.17.7%
All West Communications - WY17.7%

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 Evanston

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Evanston's rate center (EVANSTON). The earliest assignment date recorded in the file for these codes is 2002. 2 of the 13 were assigned in 2020 or later.

Prefixes assigned in Evanston, WY
Area codePrefixes (NXX)
307255, 288, 313, 393, 442, 444, 497, 677, 679, 708, 783, 789, 799

Source: NANPA utilized central office code file.

When Evanston's exchanges were assigned

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

Evanston, WY: exchanges by decade assigned
Decade assignedExchangesShare
2000s360%
2020s240%

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

What makes a number local to Evanston

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

New local numbers are drawn from carrier inventory, so the exact 307 numbers available change over time; porting an existing number is free.

The local business market

Evanston is part of the Evanston, WY-UT micropolitan area, home to 23,373 people in 2024. County Business Patterns counted 694 business establishments in the Evanston, WY-UT micropolitan area in 2023, employing 6,502 people. The largest sectors by establishment count are retail trade (92), construction (83), and accommodation and food services (82).

Selected industries in the Evanston, WY-UT micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants2834212.2
Hotels and motels1927514.5
Full-service restaurants1818410.2
Site preparation contractors1734020.0
Offices of real estate agents and brokers13——
Dental offices12968.0
Insurance agencies and brokerages12——
Residential remodelers11242.2

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

A Evanston number on Callata

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Evanston 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 9-person team is the benchmark here, the rounded average establishment size in the Evanston, WY-UT micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $270.00 a month and Ooma Office Pro $224.55. Callata comes to $179.00 a month for 9 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 9-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$179.00$2,148.00
Quo (Starter)$19.00 per user$171.00$2,052.00
Nextiva (Core)$23.00 per user$207.00$2,484.00
Ooma (Office Pro)$24.95 per user$224.55$2,694.60
Dialpad (Standard)$27.00 per user$243.00$2,916.00
RingCentral (RingEX Core)$30.00 per user$270.00$3,240.00

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 Evanston, WY?

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

How many phone companies have exchanges in Evanston?

9, holding 13 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Evanston 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 Evanston?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 9 users come to $179.00 a month. For comparison, 9 users on RingCentral RingEX Core list at $270.00 a month (checked September 28, 2026).