Get a local business phone number in Grove, OK

What area code is Grove, OK?

Grove city is a Census place in Delaware County, Oklahoma, with an estimated 7,327 residents in 2024. NANPA lists 9 exchanges for its rate center across 2 area codes; 918 has the most (6, 67%). 918 is part of an overlay with 539, so a new local number in Grove may carry any of those codes depending on which have numbers available. Grove is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 918 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Grove exchanges by carrier

5 carriers hold the 9 exchanges assigned to Grove's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 3. 8 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.

Grove phone prefixes

These are the central office codes NANPA records for Grove. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 9 were assigned in 2020 or later.

When Grove's exchanges were assigned

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

What makes a number local to Grove

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

New local numbers are drawn from carrier inventory, so the exact 918 numbers available change over time; porting an existing number is free.

Businesses around Grove

Grove 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 Grove

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 Grove, 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.