Get a local business phone number in St. Marys, WV

What area code is St. Marys, WV?

St. Marys city is a Census place in Pleasants County, West Virginia, with an estimated 1,749 residents in 2024. NANPA lists 3 exchanges for its rate center across 2 area codes; 304 has the most (2, 67%). 304 is part of an overlay with 681, so a new local number in St. Marys may carry any of those codes depending on which have numbers available. St. Marys is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 304 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds St. Marys phone exchanges

3 carriers hold the 3 exchanges assigned to St. Marys's rate center. New Cingular Wireless PCS, LLC - DC has the most, with 1. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in St. Marys can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for St. Marys

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to St. Marys. The earliest assignment date recorded in the file for these codes is 2014. None were assigned in 2020 or later.

What makes a number local to St. Marys

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

New local numbers are drawn from carrier inventory, so the exact 304 numbers available change over time; porting an existing number is free.

Businesses around St. Marys

St. Marys is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 35,839 business establishments in West Virginia in 2023, employing 551,240 people. The largest sectors by establishment count are retail trade (5,696), health care and social assistance (5,019), and other services (except public administration) (4,255).

A St. Marys 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.

If you already have a number in St. Marys, 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 West Virginia. 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.