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Area code 656

Where 656 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.

State
FL
In service
2022
Assigned codes
98of 800 possible
Carriers
23

Where area code 656 is

NANPA lists 656 as an in-service geographic area code for Florida, first put into service on February 22, 2022. It is an overlay: 656 and 813 cover the same territory, so neighbors on the same street can have different area codes. It is in the Eastern time zone. The places with the most assigned exchanges include Zephyrhills and Plant City. By population, its largest named places are Plant City and Zephyrhills.

Area code 656: NANPA facts
ItemValue
StateFlorida
In service sinceFebruary 22, 2022
Assigned by NANPAMay 4, 2020
OverlayYes, with 813
Parent area code (NANPA)813
Time zoneEastern
Local calls within the codeten digits (area code plus number)
Assigned central office codes98
Rate centers with codes7
Carriers holding codes23
Pooled codes96
Codes assigned since 202095
Relief planning in progressNo

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

Where 656 numbers are local

656 holds 0.88% of the 11,187 central office codes assigned in Florida, the 20th most of the state's 23 codes. 2 Census places could be matched to rate centers with 656 exchanges; the most populous are Plant City (43,046) and Zephyrhills (22,304). Each place page lists the exact prefixes and carriers for that town.

Most populous places with 656 exchanges
PlacePopulation (2024)Area codesExchangesCarriers
Plant City, FL43,046656, 8135118
Zephyrhills, FL22,304656, 8134618

Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.

Dialing 656 numbers

According to NANPA's dialing-plan data, local calls within 656 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits. Because local calls need the area code, business cards, signage and website copy should always show the full ten-digit number. NANPA's dialing-plan note for this code reads: "1+10 digit permissible at each service providers discretion"

Phone companies in area code 656

23 carriers hold the 98 central office codes assigned in 656. Onvoy, LLC - FL has the most, with 27 (28%). 96 of the codes (98%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. The code holder is not necessarily the carrier serving a given number today, since numbers can be ported between providers.

Largest code holders in area code 656
Carrier (NANPA operating company)ExchangesShare
Onvoy, LLC - FL2728%
Cellco Partnership d/b/a Verizon Wireless - FL1212%
Fractel, LLC1212%
New Cingular Wireless PCS, LLC - Ga1111%
Aerial Communications, INC.88.2%
Ip Horizon LLC44.1%
HD Carrier LLC22.0%
Bandwidth.com CLEC, LLC - FL22.0%
Five9, INC.22.0%
Level 3 Communications, LLC - FL22.0%
Shelcomm22.0%
Opentact INC.22.0%

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.

Rate centers and towns in 656

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 656 has codes in 7 rate centers. Rate center names in the file are abbreviations; where one matches a Census place, the table links to that city's local-number page.

Rate centers in area code 656 by assigned codes
Rate center (NANPA)PlaceCodes
TAMPACENnot matched43
TAMPANTHnot matched14
ZEPHYRHILSZephyrhills, FL9
TAMPAESTnot matched9
TAMPAWSTnot matched8
TAMPASTHnot matched8
PLANT CITYPlant City, FL7

656 code assignments over time

An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 98 are assigned in 656, 12% of 800. 95 were assigned in 2020 or later.

Area code 656: central office codes by decade assigned
Decade assignedExchangesShare
2020s95100%

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

Using area code 656 for business calls

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 area code 656 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.

Frequently asked questions

Where is area code 656?

656 is a geographic area code in Florida. Places with the most assigned exchanges include Zephyrhills and Plant City.

What time zone is area code 656 in?

NANPA lists 656 in the Eastern time zone.

When did area code 656 go into service?

NANPA records an in-service date of February 22, 2022. The code was assigned on May 4, 2020.

Is 656 an overlay area code?

Yes. It shares its territory with 813.

Can my business get a 656 phone number?

Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 656 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.