CallataGuides

Get a local business phone number in Miami, FL

Miami's area codes, prefixes and carriers from NANPA records, and how to put a Miami number in front of your customers.

Area code
786 / 305 / 645
Exchanges
1,066NANPA-assigned
Carriers
58
Population
487,014Census 2024 est.

Miami area codes

With 487,014 residents in the Census 2024 estimate, Miami sits in Miami-Dade County, Florida. NANPA lists 1,066 exchanges for its rate center across 3 area codes; 786 has the most (540, 51%). 786 is part of an overlay with 305 and 645, so a new local number in Miami may carry any of those codes depending on which have numbers available. Miami is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 786 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Miami, FL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
78654051%1998305, 645Eastern
30548846%1947645, 786Eastern
645383.6%2023305, 786Eastern

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Who holds Miami phone exchanges

58 carriers hold the 1,066 exchanges assigned to Miami's rate center. Bellsouth Telecomm INC d/b/a Southern Bell Tel & Tel has the most, with 309. 648 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Miami can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Miami, FL
Carrier (NANPA operating company)ExchangesShare
Bellsouth Telecomm INC d/b/a Southern Bell Tel & Tel30929%
Omnipoint Miami E License, LLC17316%
Metropcs, INC.958.9%
New Cingular Wireless PCS, LLC - Ga928.6%
Cellco Partnership d/b/a Verizon Wireless - FL666.2%
Abc Paging City Beepers, INC.423.9%
Spok, INC.423.9%
Paetec Itel, LLC333.1%
Teleport Communications America, LLC - FL302.8%
Onvoy, LLC - FL302.8%
Mcimetro Access Transmission Services LLC - FL201.9%
Level 3 Communications, LLC - FL181.7%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Miami phone prefixes

These are the central office codes NANPA records for Miami. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 137 of the 1,066 were assigned in 2020 or later.

Prefixes assigned in Miami, FL
Area codePrefixes (NXX)
305200, 201, 202, 205, 207, 208, 210, 212, 213, 214, 215, 216, 217, 219, 220, 221, 222, 223, 225, 226, 227, 228, 229, 231, 237, 241, 243, 244, 250, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 279, 284, 285, 286, 287, 288, 291, 297, 298, 299, 300, 301, 302, 303, 305, 309, 310, 312, 313, 314, 316, 321, 322, 323, 324, 325, 326, 327, 329, 341, 342, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 355, 357, 358, 361, 362, 364, 365, 366, 368, 369, 371, 372, 373, 374, 375, 376, 377, 379, 380, 381, 382, 383, 385, 386, 387, 388, 389, 392, 397, 398, 400, 401, 403, 404, 406, 408, 410, 412, 415, 416, 418, 420, 421, 423, 424, 426, 427, 428, 435, 436, 437, 438, 439, 441, 442, 443, 444, 445, 446, 447, 448, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 468, 470, 471, 472, 473, 475, 476, 477, 478, 479, 480, 482, 483, 485, 486, 487, 490, 491, 492, 495, 496, 498, 499, 500, 503, 505, 507, 510, 512, 513, 514, 516, 518, 519, 520, 523, 524, 526, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 556, 557, 558, 559, 560, 561, 564, 565, 566, 567, 568, 569, 571, 572, 573, 575, 576, 577

First 240 of 1066 prefixes. Source: NANPA.

When Miami's exchanges were assigned

The table groups Miami's exchanges by the decade NANPA recorded them as assigned.

Miami, FL: exchanges by decade assigned
Decade assignedExchangesShare
2000s11925%
2010s22947%
2020s13728%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

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.

If your business already has a Miami number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

The local business market

Miami is part of the Miami-Fort Lauderdale-West Palm Beach, FL metro area, home to 6.5 million people in 2024. County Business Patterns counted 222,388 business establishments in the Miami, FL metro area in 2023, employing 2,428,299 people. The largest sectors by establishment count are professional, scientific, and technical services (40,122), health care and social assistance (26,082), and retail trade (23,737).

Selected industries in the Miami, FL metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Law offices8,55443,2925.1
Physician practices6,91675,38610.9
Offices of real estate agents and brokers6,49311,0181.7
Full-service restaurants5,621131,54123.4
Management consulting firms5,14420,6884.0
Limited-service restaurants4,52775,81516.7
Insurance agencies and brokerages4,07523,3935.7
Dental offices3,43920,4656.0

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

A Miami 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.

Porting a number you already use in Miami is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

The comparison below uses 11 users, the rounded average establishment size in the Miami, FL metro area. At list prices checked September 28, 2026, that is $274.45 a month on Ooma Office Pro and $330.00 on RingCentral RingEX Core. Callata comes to $219.00 a month for 11 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for an 11-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$219.00$2,628.00
Quo (Starter)$19.00 per user$209.00$2,508.00
Nextiva (Core)$23.00 per user$253.00$3,036.00
Ooma (Office Pro)$24.95 per user$274.45$3,293.40
Dialpad (Standard)$27.00 per user$297.00$3,564.00
RingCentral (RingEX Core)$30.00 per user$330.00$3,960.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Miami, FL?

Miami has exchanges in 786, 305, and 645; 786 has the most.

How many phone companies have exchanges in Miami?

58, holding 1,066 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Miami business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Miami?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 11 users come to $219.00 a month. For comparison, 11 users on RingCentral RingEX Core list at $330.00 a month (checked September 28, 2026).