Get a local business phone number in St. Marys, GA
St. Marys's area code, prefixes and carriers from NANPA records, and how to put a St. Marys number in front of your customers.
- Area code
- 912
- Exchanges
- 17NANPA-assigned
- Carriers
- 7
- Population
- 20,119Census 2024 est.
St. Marys area codes
St. Marys, in Camden County, Georgia, had a Census-estimated population of 20,119 in July 2024. All 17 exchanges NANPA lists for its rate center are in area code 912. 912 is part of an overlay with 565, 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 912 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 912 | 17 | 100% | 1954 | 565 | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds St. Marys phone exchanges
7 carriers hold the 17 exchanges assigned to St. Marys's rate center. Camden Tel. & Tel. CO., INC. has the most, with 6. 12 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Camden Tel. & Tel. CO., INC. | 6 | 35% |
| Cellco Partnership d/b/a Verizon Wireless - Ga | 4 | 24% |
| Powertel Atlanta Licenses, INC. | 2 | 12% |
| Metropcs, INC. | 2 | 12% |
| Al-call, INC. - Ga | 1 | 5.9% |
| New Cingular Wireless PCS, LLC - Ga | 1 | 5.9% |
| Ton80 Communications, LLC | 1 | 5.9% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
St. Marys phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to St. Marys's rate center (ST MARYS). The earliest assignment date recorded in the file for these codes is 2002. 1 of the 17 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 912 | 227, 322, 409, 439, 464, 467, 510, 522, 540, 552, 573, 576, 673, 674, 676, 729, 882 |
Source: NANPA utilized central office code file.
When St. Marys's exchanges were assigned
The table groups St. Marys's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 6 | 60% |
| 2010s | 3 | 30% |
| 2020s | 1 | 10% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in 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.
Keeping an existing St. Marys number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 912 when you pick it.
Businesses around St. Marys
St. Marys is part of the Kingsland, GA micropolitan area, home to 59,099 people in 2024. County Business Patterns counted 947 business establishments in the Kingsland, GA micropolitan area in 2023, employing 10,074 people. The largest sectors by establishment count are retail trade (166), accommodation and food services (130), and other services (except public administration) (115).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 45 | 1,024 | 22.8 |
| Full-service restaurants | 30 | 750 | 25.0 |
| Offices of real estate agents and brokers | 27 | 43 | 1.6 |
| Hotels and motels | 25 | 219 | 8.8 |
| Physician practices | 21 | — | — |
| Landscaping services | 20 | 82 | 4.1 |
| Dental offices | 16 | 124 | 7.8 |
| Beauty salons | 14 | 56 | 4.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a St. Marys business line
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 St. Marys 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 11 users, the rounded average establishment size in the Kingsland, GA micropolitan area. At list prices checked September 28, 2026, that is $274.45 a month on Ooma Office Pro and $330.00 on RingCentral RingEX Core. Callata comes to $219.00 a month for 11 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $219.00 | $2,628.00 |
| Quo (Starter) | $19.00 per user | $209.00 | $2,508.00 |
| Nextiva (Core) | $23.00 per user | $253.00 | $3,036.00 |
| Ooma (Office Pro) | $24.95 per user | $274.45 | $3,293.40 |
| Dialpad (Standard) | $27.00 per user | $297.00 | $3,564.00 |
| RingCentral (RingEX Core) | $30.00 per user | $330.00 | $3,960.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is St. Marys, GA?
912. All exchanges NANPA lists for St. Marys are in 912.
How many phone companies have exchanges in St. Marys?
7, holding 17 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing St. Marys business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in St. Marys?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 11 users come to $219.00 a month. For comparison, 11 users on RingCentral RingEX Core list at $330.00 a month (checked September 28, 2026).