Get a local business phone number in Miami, OK

What area code is Miami, OK?

Miami, in Ottawa County, Oklahoma, had a Census-estimated population of 12,886 in July 2024. NANPA lists 13 exchanges for its rate center across 2 area codes; 918 has the most (11, 85%). 918 is part of an overlay with 539, so a new local number in Miami may carry any of those codes depending on which have numbers available. Miami 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.

Miami exchanges by carrier

9 carriers hold the 13 exchanges assigned to Miami's rate center. Southwestern Bell has the most, with 4. 13 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.

Miami phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Miami's rate center (MIAMI). The earliest assignment date recorded in the file for these codes is 2001. 2 of the 13 were assigned in 2020 or later.

When Miami's exchanges were assigned

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

What makes a number local to Miami

What a caller sees as "local" is the area code plus prefix. In Miami, those come from the MIAMI 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 Miami

Miami is part of the Miami, OK micropolitan area, home to 30,404 people in 2024. County Business Patterns counted 548 business establishments in the Miami, OK micropolitan area in 2023, employing 8,370 people. The largest sectors by establishment count are retail trade (96), health care and social assistance (72), and other services (except public administration) (69).

Business phone service in Miami

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 Miami, 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 the Miami, OK micropolitan area. 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.