Get a local business phone number in Mercer, PA

What area code is Mercer, PA?

With 1,922 residents in the Census 2024 estimate, Mercer sits in Mercer County, Pennsylvania. All 5 exchanges NANPA lists for its rate center are in area code 724. 724 is part of an overlay with 878, so a new local number in Mercer may carry any of those codes depending on which have numbers available. Mercer is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 724 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Who holds Mercer phone exchanges

5 carriers hold the 5 exchanges assigned to Mercer's rate center. Level 3 Communications, LLC - Pa has the most, with 1. 4 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.

Mercer phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Mercer's rate center (MERCER). The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

Rate centers and local calling in Mercer

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

Keeping an existing Mercer number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 724 when you pick it.

Businesses around Mercer

Mercer is part of the Hermitage, PA micropolitan area, home to 108,000 people in 2024. County Business Patterns counted 2,611 business establishments in the Hermitage, PA micropolitan area in 2023, employing 40,948 people. The largest sectors by establishment count are retail trade (433), health care and social assistance (394), and other services (except public administration) (354).

A Mercer number on Callata

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 Mercer 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 16 users, the rounded average establishment size in the Hermitage, PA micropolitan area. At list prices checked September 28, 2026, that is $399.20 a month on Ooma Office Pro and $480.00 on RingCentral RingEX Core. Callata comes to $319.00 a month for 16 users ($99 a month with 5 users included, then $20 per additional user), below both.