Get a local business phone number in Aberdeen, MD
Aberdeen's area codes, prefixes and carriers from NANPA records, and how to put a Aberdeen number in front of your customers.
- Area code
- 667 / 443 / 410
- Exchanges
- 44NANPA-assigned
- Carriers
- 9
- Population
- 18,451Census 2024 est.
What area code is Aberdeen, MD?
With 18,451 residents in the Census 2024 estimate, Aberdeen sits in Harford County, Maryland. NANPA lists 44 exchanges for its rate center across 3 area codes; 667 has the most (24, 55%). 667 is part of an overlay with 410 and 443, so a new local number in Aberdeen may carry any of those codes depending on which have numbers available. Aberdeen 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.
Who holds Aberdeen phone exchanges
9 carriers hold the 44 exchanges assigned to Aberdeen's rate center. Omnipoint Communications Cap Operations, LLC has the most, with 23. 42 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Omnipoint Communications Cap Operations, LLC | 23 | 52% |
| Verizon Maryland, INC. | 7 | 16% |
| Level 3 Communications, LLC - MD | 3 | 6.8% |
| Paetec Itel, LLC | 3 | 6.8% |
| Mcimetro Access Transmission Services LLC | 3 | 6.8% |
| Ton80 Communications, LLC | 2 | 4.5% |
| Teleport Communications America, LLC - MD | 1 | 2.3% |
| AT&T - Local | 1 | 2.3% |
| Exiant Communications LLC | 1 | 2.3% |
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.
Aberdeen phone prefixes
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Aberdeen. The earliest assignment date recorded in the file for these codes is 2001. 18 of the 44 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 410 | 272, 273, 278, 297, 306 |
| 443 | 303, 327, 345, 360, 374, 395, 403, 558, 707, 720, 760, 779, 788, 855, 861 |
| 667 | 228, 229, 231, 256, 289, 298, 320, 334, 352, 355, 392, 415, 450, 465, 481, 494, 520, 522, 528, 530, 531, 542, 848, 942 |
Source: NANPA utilized central office code file.
When Aberdeen's exchanges were assigned
The table groups Aberdeen's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 5 | 18% |
| 2010s | 5 | 18% |
| 2020s | 18 | 64% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Aberdeen
What a caller sees as "local" is the area code plus prefix. In Aberdeen, those come from the ABERDEEN rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 667 numbers available change over time; porting an existing number is free.
Who does business near Aberdeen
Aberdeen is part of the Baltimore-Columbia-Towson, MD metro area, home to 2.9 million people in 2024. County Business Patterns counted 68,827 business establishments in the Baltimore, MD metro area in 2023, employing 1,220,618 people. The largest sectors by establishment count are professional, scientific, and technical services (10,516), health care and social assistance (9,016), and retail trade (8,034).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 2,688 | 41,793 | 15.5 |
| Full-service restaurants | 1,791 | 47,025 | 26.3 |
| Physician practices | 1,634 | 24,351 | 14.9 |
| Residential remodelers | 1,483 | 5,685 | 3.8 |
| Law offices | 1,403 | 10,079 | 7.2 |
| Offices of real estate agents and brokers | 1,130 | 2,964 | 2.6 |
| Computer systems design services firms | 1,105 | 18,324 | 16.6 |
| Dental offices | 1,102 | 8,559 | 7.8 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Aberdeen 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 Aberdeen 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 18 users, the rounded average establishment size in the Baltimore, MD metro area. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. Callata comes to $359.00 a month for 18 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 | $359.00 | $4,308.00 |
| Quo (Starter) | $19.00 per user | $342.00 | $4,104.00 |
| Nextiva (Core) | $23.00 per user | $414.00 | $4,968.00 |
| Ooma (Office Pro) | $24.95 per user | $449.10 | $5,389.20 |
| Dialpad (Standard) | $27.00 per user | $486.00 | $5,832.00 |
| RingCentral (RingEX Core) | $30.00 per user | $540.00 | $6,480.00 |
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 Aberdeen, MD?
Aberdeen has exchanges in 667, 443, and 410; 667 has the most.
How many phone companies have exchanges in Aberdeen?
9, holding 44 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Aberdeen 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 Aberdeen?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).