Get a local business phone number in Randolph, WI

Randolph area codes

Randolph, in Dodge County, Wisconsin, had a Census-estimated population of 1,762 in July 2024. All 3 exchanges NANPA lists for its rate center are in area code 920. 920 is part of an overlay with 274, so a new local number in Randolph may carry any of those codes depending on which have numbers available. Randolph is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 920 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Randolph exchanges by carrier

3 carriers hold the 3 exchanges assigned to Randolph's rate center. Brightspeed of Southern Wisconsin, LLC has the most, with 1. 3 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.

Randolph phone prefixes

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Randolph. The earliest assignment date recorded in the file for these codes is 2002. 1 of the 3 were assigned in 2020 or later.

When Randolph's exchanges were assigned

Assignment dates show when each block of Randolph numbers was added to the local supply.

How local numbers work in Randolph

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

New local numbers are drawn from carrier inventory, so the exact 920 numbers available change over time; porting an existing number is free.

The local business market

Randolph is part of the Beaver Dam, WI micropolitan area, home to 88,635 people in 2024. County Business Patterns counted 1,693 business establishments in the Beaver Dam, WI micropolitan area in 2023, employing 33,265 people. The largest sectors by establishment count are construction (230), retail trade (206), and other services (except public administration) (202).

Business phone service in Randolph

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.

If you already have a number in Randolph, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Beaver Dam, WI micropolitan area, 20 users on RingCentral RingEX Core come to $600.00 a month and on Ooma Office Pro $499.00, at month-to-month list prices checked September 28, 2026. On Callata the same 20 people cost $399.00 a month, less than either per-seat plan.