Westminster, Maryland Area Codes & Phone Number Distribution

Estimated Number of Assigned Phone Numbers in Westminster, Maryland

253,000

In Westminster, Maryland, wireless numbers account for 48.2% of assigned numbers, above the statewide average of 37.2%. Westminster's wireline and VoIP share is 6.0 percentage points lower than the statewide average. Compared with the state overall, Westminster has a more concentrated wireless assignment mix. Westminster is served by 3 area codes in an overlay area, meaning multiple area codes cover the same geographic region.

Area Codes Used by Westminster, Maryland

410 443 667

Estimated Service-Type Mix of Assigned Phone Numbers in Westminster, Maryland

Total assigned 253,000

Wireless

122,000 assigned numbers

48.22%

Wireline and VoIP

116,000 assigned numbers

45.85%

Other / Unclassified

15,000 assigned numbers

5.93%

Estimated Share of Wireless Numbers Originally Assigned to Each Carrier in Westminster, Maryland

Estimated assigned wireless phone numbers: 122,000

Numbers may later be ported to another carrier, but this chart reflects original number assignment, not current subscriber share.

Verizon Wireless 70,000 (57.38%)

AT&T Wireless 34,000 (27.87%)

T-Mobile 18,000 (14.75%)

Estimated Share of Wireline and VoIP Numbers Originally Assigned to Each Carrier in Westminster, Maryland

Estimated assigned wireline and VoIP phone numbers: 116,000

VERIZON MARYLAND, INC. 40,000 (34.48%)

Onvoy 28,000 (24.14%)

Comcast Business 12,000 (10.34%)

Bandwidth 10,000 (8.62%)

Lumen 5,000 (4.31%)

MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 4,000 (3.45%)

PAETEC ITEL, LLC 4,000 (3.45%)

MCIMETRO ACCESS TRANSMISSION SERVICES LLC 3,000 (2.59%)

Spectrum 3,000 (2.59%)

Peerless Network 2,000 (1.72%)

QUANTUM TELECOMMUNICATIONS, INC. - MD 2,000 (1.72%)

BALTIMORE-WASHINGTON TELEPHONE (BWT) 1,000 (0.86%)

Other / Unclassified Assigned Numbering in Westminster, Maryland

Estimated assigned other or unclassified phone numbers: 15,000

CORE COMMUNICATIONS, INC.- MD 10,000 (66.67%)

IP HORIZON LLC 2,000 (13.33%)

BARR TELL USA, INC. 1,000 (6.67%)

TON80 COMMUNICATIONS, LLC 1,000 (6.67%)

VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 1,000 (6.67%)

How These Figures Were Built

These figures are estimates based on public phone-number assignment records. They are meant to show the likely mix of assigned phone numbers associated with Westminster, Maryland, not live customer counts.

Some providers may have assigned phone numbers tied to this locality even if they do not actively market or sell service locally. These figures reflect public number-assignment records, not confirmed local service availability.

They also do not reflect number portability at the individual phone-number level, so some numbers may now be used on a different network or by a different provider than the original assignment records suggest.