Get a local business phone number in Casper, WY

What area code is Casper, WY?

Casper, in Natrona County, Wyoming, had a Census-estimated population of 58,823 in July 2024. All 40 exchanges NANPA lists for its rate center are in area code 307. Casper 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.

Casper exchanges by carrier

13 carriers hold the 40 exchanges assigned to Casper's rate center. Qwest Corporation has the most, with 14. 21 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.

Casper phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Casper's rate center (CASPER). The earliest assignment date recorded in the file for these codes is 2001. 5 of the 40 were assigned in 2020 or later.

When Casper's exchanges were assigned

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

Rate centers and local calling in Casper

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

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

Businesses around Casper

Casper is part of the Casper, WY metro area, home to 80,410 people in 2024. County Business Patterns counted 3,071 business establishments in the Casper, WY metro area in 2023, employing 31,602 people. The largest sectors by establishment count are retail trade (350), health care and social assistance (339), and construction (335).

A Casper 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 Casper 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 10-person team is the benchmark here, the rounded average establishment size in the Casper, WY metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $300.00 a month and Ooma Office Pro $249.50. Callata comes to $199.00 a month for 10 users ($99 a month with 5 users included, then $20 per additional user), below both.