Get a local business phone number in Chatham, NY

Chatham area codes

Chatham, in Columbia County, New York, had a Census-estimated population of 4,016 in July 2024. All 4 exchanges NANPA lists for its rate center are in area code 518. 518 is part of an overlay with 838, so a new local number in Chatham may carry any of those codes depending on which have numbers available. Chatham is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 518 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Chatham exchanges by carrier

3 carriers hold the 4 exchanges assigned to Chatham's rate center. Taconic Tel. Corp. has the most, with 2. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Exchanges (NPA-NXX) assigned in Chatham

These are the central office codes NANPA records for Chatham. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2007. None were assigned in 2020 or later.

When Chatham's exchanges were assigned

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

Rate centers and local calling in Chatham

What a caller sees as "local" is the area code plus prefix. In Chatham, those come from the CHATHAM rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 518 numbers available change over time; porting an existing number is free.

Businesses around Chatham

Chatham is part of the Hudson, NY micropolitan area, home to 60,299 people in 2024. County Business Patterns counted 1,819 business establishments in the Hudson, NY micropolitan area in 2023, employing 16,420 people. The largest sectors by establishment count are construction (269), retail trade (267), and accommodation and food services (195).

A Chatham number on Callata

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.

Porting a number you already use in Chatham 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 9 users, the rounded average establishment size in the Hudson, NY micropolitan area. At list prices checked September 28, 2026, that is $224.55 a month on Ooma Office Pro and $270.00 on RingCentral RingEX Core. Callata comes to $179.00 a month for 9 users ($99 a month with 5 users included, then $20 per additional user), below both.