Get a local business phone number in Federalsburg, MD
Federalsburg's area codes, prefixes and carriers from NANPA records, and how to put a Federalsburg number in front of your customers.
- Area code
- 667 / 410 / 443
- Exchanges
- 4NANPA-assigned
- Carriers
- 4
- Population
- 2,871Census 2024 est.
Area codes in Federalsburg
With 2,871 residents in the Census 2024 estimate, Federalsburg sits in Caroline County, Maryland. NANPA lists 4 exchanges for its rate center across 3 area codes; 667 has the most (2, 50%). 667 is part of an overlay with 410 and 443, so a new local number in Federalsburg may carry any of those codes depending on which have numbers available. Federalsburg is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 667 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in Federalsburg
4 carriers hold the 4 exchanges assigned to Federalsburg's rate center. Verizon Maryland, INC. has the most, with 1. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Federalsburg can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Verizon Maryland, INC. | 1 | 25% |
| Telnyx LLC | 1 | 25% |
| Onvoy, LLC - MD | 1 | 25% |
| Boost Subscriberco L.l.c. | 1 | 25% |
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.
Local prefixes for Federalsburg
These are the central office codes NANPA records for Federalsburg. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2021. 2 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 410 | 754 |
| 443 | 434 |
| 667 | 347, 420 |
Source: NANPA utilized central office code file.
What makes a number local to Federalsburg
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Federalsburg's numbers are rated to the FEDERALSBG rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Federalsburg number.
If your business already has a Federalsburg number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Federalsburg is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 142,967 business establishments in Maryland in 2023, employing 2,468,367 people. The largest sectors by establishment count are professional, scientific, and technical services (21,699), health care and social assistance (18,859), and retail trade (16,687).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 5,487 | 91,593 | 16.7 |
| Full-service restaurants | 3,803 | 90,952 | 23.9 |
| Physician practices | 3,756 | 49,992 | 13.3 |
| Residential remodelers | 3,183 | 12,417 | 3.9 |
| Law offices | 2,615 | 16,849 | 6.4 |
| Dental offices | 2,561 | 19,303 | 7.5 |
| Management consulting firms | 2,466 | 34,791 | 14.1 |
| Computer systems design services firms | 2,327 | 36,048 | 15.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Federalsburg
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 Federalsburg 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 17-person team is the benchmark here, the rounded average establishment size in Maryland. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. Callata comes to $339.00 a month for 17 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 | $339.00 | $4,068.00 |
| Quo (Starter) | $19.00 per user | $323.00 | $3,876.00 |
| Nextiva (Core) | $23.00 per user | $391.00 | $4,692.00 |
| Ooma (Office Pro) | $24.95 per user | $424.15 | $5,089.80 |
| Dialpad (Standard) | $27.00 per user | $459.00 | $5,508.00 |
| RingCentral (RingEX Core) | $30.00 per user | $510.00 | $6,120.00 |
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 Federalsburg, MD?
Federalsburg has exchanges in 667, 410, and 443; 667 has the most.
How many phone companies have exchanges in Federalsburg?
4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Federalsburg 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 Federalsburg?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).