Get a local business phone number in Frederick, OK

Frederick area codes

Frederick city is a Census place in Tillman County, Oklahoma, with an estimated 3,356 residents in 2024. All 4 exchanges NANPA lists for its rate center are in area code 580. Frederick is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 580 are dialed as seven digits and toll calls as 1 plus ten digits.

Phone carriers in Frederick

3 carriers hold the 4 exchanges assigned to Frederick's rate center. Cellco Partnership d/b/a Verizon Wireless - Ok has the most, with 2. 4 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.

Exchanges (NPA-NXX) assigned in Frederick

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Frederick. The earliest assignment date recorded in the file for these codes is 2005. None were assigned in 2020 or later.

What makes a number local to Frederick

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

New local numbers are drawn from carrier inventory, so the exact 580 numbers available change over time; porting an existing number is free.

Businesses around Frederick

Frederick is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 96,402 business establishments in Oklahoma in 2023, employing 1,431,690 people. The largest sectors by establishment count are retail trade (13,097), health care and social assistance (11,795), and professional, scientific, and technical services (10,200).

Business phone service in Frederick

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.

If you already have a number in Frederick, 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.

The comparison below uses 15 users, the rounded average establishment size in Oklahoma. At list prices checked September 28, 2026, that is $374.25 a month on Ooma Office Pro and $450.00 on RingCentral RingEX Core. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.