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Maryland Phone Number Lookup

Find the owner of any phone number in Maryland.

What Phone Numbers Are in Maryland?

Search any phone number in Maryland using the lookup tool above. Maryland has 6 area codes covering 141 cities and 3,755 active phone prefixes. Enter any 10-digit number to find the owner's name, address, and carrier.

6 Area Codes
141 Cities
3,755 Phone Prefixes
39% Wireless
61% Landline

Area Codes in Maryland

Maryland is served by the following 6 area codes:

  • 227 (32 cities)
  • 240 (56 cities)
  • 301 (57 cities)
  • 410 (90 cities)
  • 443 (73 cities)
  • 667 (89 cities)

Top Phone Carriers in Maryland

The most common phone service providers in Maryland include:

  • Verizon Maryland, Inc.
  • Omnipoint Communications Cap Operations, Llc
  • Onvoy, Llc - Md
  • New Cingular Wireless Pcs, Llc - Dc
  • Cellco Partnership Dba Verizon Wireless - Md
  • Bandwidth.com Clec, Llc - Md
  • Paetec Itel, Llc
  • Core Communications, Inc.- Md

Maryland at a Glance

6,265,347 Population (2025)
+0.3% Annual Growth
$103,678 Median Income
39.4 Median Age
2,560,784 Housing Units

Financial Profile

$97,078 Avg. Income per Return
$67,727 Avg. Wages per Return
3,039,100 Tax Returns Filed
403 ZIP Codes

Frequently Asked Questions

What Area Codes Are in Maryland?

Maryland is served by 6 area codes: 227, 240, 301, 410, 443, 667. Each area code covers a specific geographic region within the state and is assigned to cities and towns in that area. The number of area codes in a state reflects its population and telecommunications demand. Maryland has 3,755 active phone prefixes spread across 141 cities. When you receive a call from an unfamiliar number, the first three digits — the area code — tell you which part of Maryland the call likely originated from. You can search any of these area codes on 411FCC to identify the owner of a specific phone number.

How Do I Look Up a Phone Number in Maryland?

Enter the full 10-digit phone number into the search box at the top of this page and click Search. 411FCC returns available information including the registered owner's name, location, phone carrier, and whether the number is wireless, landline, or VoIP. The lookup works for all 6 area codes in Maryland and covers numbers from all major carriers. Results appear within seconds. 411FCC has maintained phone number records since 2003 and covers every US state and Canadian province, so you can search numbers from Maryland or any other jurisdiction using the same tool.

What Phone Carriers Operate in Maryland?

Phone service in Maryland is provided by multiple wireless and landline carriers. The largest providers by number of assigned prefixes include Verizon Maryland, Inc., Omnipoint Communications Cap Operations, Llc, Onvoy, Llc - Md, New Cingular Wireless Pcs, Llc - Dc, Cellco Partnership Dba Verizon Wireless - Md. Approximately 39% of phone prefixes in Maryland are classified as wireless, with the remaining 61% being landline or VoIP. When you perform a reverse phone lookup on 411FCC, the results include the carrier name for the number you searched, helping you identify whether the call came from a major national carrier or a smaller regional provider.

Data current as of March 2026