Get a local business phone number in Sulphur, OK

Sulphur area codes

Sulphur, in Murray County, Oklahoma, had a Census-estimated population of 4,844 in July 2024. All 3 exchanges NANPA lists for its rate center are in area code 580. Sulphur 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 Sulphur

3 carriers hold the 3 exchanges assigned to Sulphur's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 1. 2 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 Sulphur

These are the central office codes NANPA records for Sulphur. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2023. 1 of the 3 were assigned in 2020 or later.

How local numbers work in Sulphur

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

Keeping an existing Sulphur number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 580 when you pick it.

The local business market

Sulphur 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).

Setting up a Sulphur business line

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.

If you already have a number in Sulphur, 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 Oklahoma, 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.