Get a local business phone number in Southampton, NY

Area codes in Southampton

With 70,646 residents in the Census 2024 estimate, Southampton sits in Suffolk County, New York. NANPA lists 15 exchanges for its rate center across 2 area codes; 631 has the most (12, 80%). 631 is part of an overlay with 934, so a new local number in Southampton may carry any of those codes depending on which have numbers available. Southampton 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).

Southampton exchanges by carrier

9 carriers hold the 15 exchanges assigned to Southampton's rate center. Verizon New York, INC. has the most, with 4. 12 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Southampton can come from any of these blocks; once it is yours, porting lets it move between providers.

Exchanges (NPA-NXX) assigned in Southampton

These are the central office codes NANPA records for Southampton. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 2 of the 15 were assigned in 2020 or later.

When Southampton's exchanges were assigned

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

How local numbers work in Southampton

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

New local numbers are drawn from carrier inventory, so the exact 631 numbers available change over time; porting an existing number is free.

Who does business near Southampton

Southampton 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).

Business phone service in Southampton

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 Southampton 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 15 users, the rounded average establishment size in the New York, NY-NJ metro 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. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.