Get a local business phone number in Piedmont, OK

What area code is Piedmont, OK?

With 9,092 residents in the Census 2024 estimate, Piedmont sits in Canadian County, Oklahoma. NANPA lists 6 exchanges for its rate center across 2 area codes; 405 has the most (4, 67%). 405 is part of an overlay with 572, so a new local number in Piedmont may carry any of those codes depending on which have numbers available. Piedmont is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 405 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Piedmont phone exchanges

5 carriers hold the 6 exchanges assigned to Piedmont's rate center. Onvoy, LLC - Ok has the most, with 2. 6 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Piedmont can come from any of these blocks; once it is yours, porting lets it move between providers.

Piedmont phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Piedmont's rate center (PIEDMONT). The earliest assignment date recorded in the file for these codes is 2021. 2 of the 6 were assigned in 2020 or later.

Rate centers and local calling in Piedmont

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

Keeping an existing Piedmont number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 405 when you pick it.

Businesses around Piedmont

Piedmont is part of the Oklahoma City, OK metro area, home to 1.5 million people in 2024. County Business Patterns counted 37,835 business establishments in the Oklahoma City, OK metro area in 2023, employing 551,321 people. The largest sectors by establishment count are health care and social assistance (4,917), professional, scientific, and technical services (4,695), and retail trade (4,497).

A Piedmont 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 Piedmont 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 Oklahoma City, OK 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.