Get a local business phone number in Smithtown, NY

Area codes in Smithtown

Smithtown, in Suffolk County, New York, had a Census-estimated population of 116,228 in July 2024. NANPA lists 24 exchanges for its rate center across 2 area codes; 631 has the most (20, 83%). 631 is part of an overlay with 934, so a new local number in Smithtown may carry any of those codes depending on which have numbers available. Smithtown is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 631 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Who holds Smithtown phone exchanges

8 carriers hold the 24 exchanges assigned to Smithtown's rate center. Verizon New York, INC. has the most, with 8. 18 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Smithtown can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Smithtown

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Smithtown's rate center (SMITHTOWN). The earliest assignment date recorded in the file for these codes is 2001. 4 of the 24 were assigned in 2020 or later.

When Smithtown's exchanges were assigned

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

How local numbers work in Smithtown

NANPA ties every exchange to a rate center. For Smithtown that is SMITHTOWN, so a number from one of these exchanges reads as local to people in and around Smithtown.

Keeping an existing Smithtown number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 631 when you pick it.

The local business market

Smithtown is part of the New York-Newark-Jersey City, NY-NJ metro area, home to 19.9 million people in 2024. County Business Patterns counted 562,802 business establishments in the New York, NY-NJ metro area in 2023, employing 8,559,248 people. The largest sectors by establishment count are professional, scientific, and technical services (71,000), retail trade (70,682), and health care and social assistance (65,817).

Setting up a Smithtown business line

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 Smithtown, 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.

A 15-person team is the benchmark here, the rounded average establishment size in the New York, NY-NJ metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.