Get a local business phone number in Westminster, SC

Area codes in Westminster

Westminster, in Oconee County, South Carolina, had a Census-estimated population of 2,439 in July 2024. All 6 exchanges NANPA lists for its rate center are in area code 864. 864 is part of an overlay with 821, so a new local number in Westminster may carry any of those codes depending on which have numbers available. Westminster is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 864 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Westminster exchanges by carrier

6 carriers hold the 6 exchanges assigned to Westminster's rate center. Bandwidth.com CLEC, LLC - SC has the most, with 1. 5 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 Westminster

These are the central office codes NANPA records for Westminster. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2004. 2 of the 6 were assigned in 2020 or later.

When Westminster's exchanges were assigned

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

What makes a number local to Westminster

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

New local numbers are drawn from carrier inventory, so the exact 864 numbers available change over time; porting an existing number is free.

The local business market

Westminster is part of the Seneca, SC micropolitan area, home to 82,475 people in 2024. County Business Patterns counted 1,761 business establishments in the Seneca, SC micropolitan area in 2023, employing 22,175 people. The largest sectors by establishment count are retail trade (292), construction (255), and other services (except public administration) (215).

A Westminster number on Callata

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.

Porting a number you already use in Westminster 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.

A 13-person team is the benchmark here, the rounded average establishment size in the Seneca, SC micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $390.00 a month and Ooma Office Pro $324.35. Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.