Get a local business phone number in Cambridge, OH

Cambridge area codes

With 13,801 residents in the Census 2024 estimate, Cambridge sits in Guernsey County, Ohio. All 14 exchanges NANPA lists for its rate center are in area code 740. 740 is part of an overlay with 220, so a new local number in Cambridge may carry any of those codes depending on which have numbers available. Cambridge is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 740 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Phone carriers in Cambridge

6 carriers hold the 14 exchanges assigned to Cambridge's rate center. Aerial Communications, INC. has the most, with 3. 10 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 Cambridge

These are the central office codes NANPA records for Cambridge. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

When Cambridge's exchanges were assigned

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

How local numbers work in Cambridge

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

If your business already has a Cambridge number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

The local business market

Cambridge is part of the Cambridge, OH micropolitan area, home to 38,219 people in 2024. County Business Patterns counted 828 business establishments in the Cambridge, OH micropolitan area in 2023, employing 12,636 people. The largest sectors by establishment count are retail trade (129), health care and social assistance (112), and other services (except public administration) (110).

Setting up a Cambridge business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Cambridge, 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 Cambridge, OH micropolitan 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.