Get a local business phone number in Winfield, KS

Winfield area codes

Winfield, in Cowley County, Kansas, had a Census-estimated population of 11,678 in July 2024. All 10 exchanges NANPA lists for its rate center are in area code 620. Winfield is in the Central and Mountain time zone.

According to NANPA's dialing-plan data, local calls within 620 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Winfield exchanges by carrier

7 carriers hold the 10 exchanges assigned to Winfield's rate center. Southwestern Bell has the most, with 4. 9 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.

Winfield phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Winfield's rate center (WINFIELD). The earliest assignment date recorded in the file for these codes is 2001. 2 of the 10 were assigned in 2020 or later.

When Winfield's exchanges were assigned

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

What makes a number local to Winfield

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

New local numbers are drawn from carrier inventory, so the exact 620 numbers available change over time; porting an existing number is free.

Businesses around Winfield

Winfield is part of the Arkansas City-Winfield, KS micropolitan area, home to 34,186 people in 2024. County Business Patterns counted 719 business establishments in the Arkansas City, KS micropolitan area in 2023, employing 10,889 people. The largest sectors by establishment count are health care and social assistance (113), retail trade (106), and other services (except public administration) (98).

A Winfield 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.

If you already have a number in Winfield, 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 Arkansas City, KS micropolitan area, 15 users on RingCentral RingEX Core come to $450.00 a month and on Ooma Office Pro $374.25, at month-to-month list prices checked September 28, 2026. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.