Area code 324

Area code 324 at a glance

324 is one of 23 geographic area codes serving Florida; NANPA records its in-service date as February 26, 2024. It is an overlay: 324 and 904 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 Jacksonville, Fernandina Beach, Green Cove Springs, Orange Park, and Macclenny.

Cities and towns in area code 324

324 holds 0.18% of the 11,187 central office codes assigned in Florida, the 23rd most of the state's 23 codes. 5 Census places could be matched to rate centers with 324 exchanges; the most populous are Jacksonville (1.0 million), Fernandina Beach (13,672), Green Cove Springs (10,087), and Orange Park (8,993). Each place page lists the exact prefixes and carriers for that town.

Dialing 324 numbers

According to NANPA's dialing-plan data, local calls within 324 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 permissible at each service providers discretion"

Phone companies in area code 324

8 carriers hold the 20 central office codes assigned in 324. Onvoy, LLC - FL has the most, with 6 (30%). 20 of the codes (100%) 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.

Rate centers and towns in 324

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 324 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.

324 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). 20 are assigned in 324, 2.5% of 800. 20 were assigned in 2020 or later.

A local 324 number on Callata

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

Porting a number you already use in area code 324 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.