CallataGuidesGet a local business phone number in Greensboro, MD
Greensboro's area codes, prefixes and carriers from NANPA records, and how to put a Greensboro number in front of your customers.
- Area code
- 667 / 410
- Exchanges
- 4NANPA-assigned
- Carriers
- 3
- Population
- 1,969Census 2024 est.
Greensboro area codes
Greensboro town is a Census place in Caroline County, Maryland, with an estimated 1,969 residents in 2024. NANPA lists 4 exchanges for its rate center across 2 area codes; 667 has the most (3, 75%). 667 is part of an overlay with 410 and 443, so a new local number in Greensboro may carry any of those codes depending on which have numbers available. Greensboro 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.
Greensboro exchanges by carrier
3 carriers hold the 4 exchanges assigned to Greensboro's rate center. Onvoy, LLC - MD has the most, with 2. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Greensboro can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Onvoy, LLC - MD | 2 | 50% |
| Verizon Maryland, INC. | 1 | 25% |
| Comcast Ip Phone, LLC | 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.
Exchanges (NPA-NXX) assigned in Greensboro
These are the central office codes NANPA records for Greensboro. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2017. 2 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 410 | 482 |
| 667 | 220, 357, 418 |
Source: NANPA utilized central office code file.
When Greensboro's exchanges were assigned
The table groups Greensboro's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 1 | 33% |
| 2020s | 2 | 67% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Greensboro
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Greensboro's numbers are rated to the GREENSBORO rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Greensboro number.
If your business already has a Greensboro number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Greensboro 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 Greensboro
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
Porting a number you already use in Greensboro 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in Maryland, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. 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 Greensboro, MD?
Greensboro has exchanges in 667 and 410; 667 has the most.
How many phone companies have exchanges in Greensboro?
3, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Greensboro 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 Greensboro?
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).