Greenwich, CT
Cell Phone Coverage & Plans

Cellular Access In Greenwich, CT

• AT&T has the best cell phone coverage in Greenwich.
• Greenwich, CT has an average of 97.56% coverage across the four major carriers.
• Greenwich is 136th in Connecticut for cell reception ahead of Cos Cob, Old Greenwich, New Canaan, and Wilton, but behind Riverside.
• Roughly 1.01 square miles of Greenwich has limited access to cellular data.
• Verizon is ranked as the fastest provider in Connecticut.
• Greenwich has 4 cell towers.
• The zip code in Greenwich with the best coverage for October 2025 is 06830.

Greenwich Cellular Coverage Map

Cell Phone Coverage By ZIP In Greenwich

ZIP Code	Verizon	ATT	T-Mobile
06830	98%	100%	98%
06831	100%	100%	100%

Cell Phone Towers In Greenwich, Connecticut

Licensee	Address	Height	Tower Type
NEW CINGULAR WIRELESS PCS, LLC	411 West Putnam Avenue, Greenwich, CT 06830	18.3	B
NEW CINGULAR WIRELESS PCS, LLC	131 Old Mill Rd, Greenwich, CT 06831	35.1	POLE
Cellco Partnership	45 Lake Ave, Greenwich, CT 06830	50	TOWER
Cellco Partnership	1081 North Street, Greenwich, CT 06831	54.6	POLE

User Reported Dead Zones In Greenwich

Carrier	Address	Comment	Date Added
Verizon	116 Pemberwick Rd	Low signal levels.	2015
AT&T	19 Ivanhoe Ln	Very poor coverage for voice and data. Barely get a 4G or LTE signal	2016

Data Provided By DeadCellZones.com

Cell Phone Stores Closest To Greenwich, CT

Carrier	Address	Phone	Directions
AT&T	42 Greenwich Ave, Greenwich, CT, 06830	203-629-8008	Directions
Verizon	89 Greenwich Ave, Greenwich, CT, 06830	203-340-9046	Directions
T-Mobile	1 Westchester Ave, Port Chester, NY, 10573	914-939-1981	Directions

Cell Phone Coverage In Nearby Cities

• New Canaan, CT
• Norwalk, CT
• Wilton, CT
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• Weston, CT
• Ridgefield, CT
• Southport, CT
• Fairfield, CT
• Eastford, CT
• Barnstead, NH