Get a local business phone number in Caldwell, NJ

Area codes in Caldwell

Caldwell, in Essex County, New Jersey, had a Census-estimated population of 9,326 in July 2024. NANPA lists 61 exchanges for its rate center across 3 area codes; 973 has the most (42, 69%). 973 is part of an overlay with 862, so a new local number in Caldwell may carry any of those codes depending on which have numbers available. Caldwell is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 973 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Phone carriers in Caldwell

16 carriers hold the 61 exchanges assigned to Caldwell's rate center. Cellco Partnership d/b/a Verizon Wireless - NJ has the most, with 16. 39 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Exchanges (NPA-NXX) assigned in Caldwell

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Caldwell's rate center (CALDWELL). The earliest assignment date recorded in the file for these codes is 2001. 7 of the 61 were assigned in 2020 or later.

When Caldwell's exchanges were assigned

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

Rate centers and local calling in Caldwell

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Caldwell's numbers are rated to the CALDWELL rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Caldwell number.

New local numbers are drawn from carrier inventory, so the exact 973 numbers available change over time; porting an existing number is free.

Who does business near Caldwell

Caldwell 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 Caldwell business line

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.

If you already have a number in Caldwell, 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.

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. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.