Cell Phone Coverage Map in San Ramon, CA - By Reception Rating

Cell phone coverage comments are submitted voluntarily by visitors around the San Ramon, CA area.

Carrier	Avg Rating	No. of Comments	Towers	Coverage Map
1. AT&T	1.4	5	AT&T Towers	Map
2. Verizon	0.5	2	Verizon Towers	Map
3. T-Mobile	0	3	T-Mobile Towers	Map

Coverage comments are sorted by date. Users can sort by Carrier, City, Zip Code, Reception Rating, or Date by clicking on the header below. To search by zip code, use the search box to the right.

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Comments

Towers

Carrier / Rating	Location / Comment	Date
AT&T 4 Out of 5 Phone Model: Nokia 3360?	I-680 San Ramon To Milpitas, San Ramon, CA 94583	Sun Apr 10, 2005
AT&T 4 Out of 5 Phone Model: Nokia 3360?	I get great reception on my Nokia when headed south on I-680 between San Ramon and Milpitas. When headed north I occassionally drop a call as I climb the Sunol Grade. It hasnt happened in the last month or so, so Im wondering if Cingular has added a tower Im not aware of. I do watch for towers and always get a laugh out of the one on the east side of I-680. It is pretty close to the road sort of in an open area. It is camoflaged as a tree! Look for it next time you make the drive.

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AT&T Wireless (GSM) 3 Out of 5 Phone Model: Nokia 7210	Windemere Area, San Ramon, CA 94583	Wed May 05, 2004
	Only Cingular gets full reception here. ATT dies indoors. Phone switches between Cingular and ATT service every few minutes.

AT&T 2 Out of 5 Phone Model: Sony Ericsson W760a	Jamaica Dr., San Ramon, CA 94583	Mon Sep 14, 2009
AT&T 2 Out of 5 Phone Model: Sony Ericsson W760a	Reception on Jamaica Dr. in San Ramon sucks. I'd like to get rid of my land line, but can't due to frequently dropped calls on my AT&T cell phone while inside my house. Standing outside only improves reception slightly.

AT&T 1 Out of 5 Phone Model: Motorola RAZR V3	Crow Canyon / Alcosta To Blackhawk, San Ramon, CA 94583	Sun Mar 19, 2006
AT&T 1 Out of 5 Phone Model: Motorola RAZR V3	Reception has degraded significantly over the past 3 months. The service is essentially worthless. This applies to Diablo Rd.at 680 as well.

Verizon 1 Out of 5 Phone Model: LG VX6000	Bollinger Canyon Rd. / Dougherty Rd., San Ramon, CA 94583	Tue Jan 11, 2005
Verizon 1 Out of 5 Phone Model: LG VX6000	Bad reception all the way up Bollinger Canyon Rd through the new developments. By the time I hit the intersection of Bollinger and Dougherty, the phone drops the call. Like clockwork. Every day.

AT&T Wireless (GSM) 1 Out of 5 Phone Model: Motorola V600	West Crow Canyon (By Home Depot) / Bollinger Canyon, San Ramon, CA 94583	Sat Sep 04, 2004
	Very poor reception, if at all. Does work on rare occasion.

AT&T 0 Out of 5 Phone Model: Apple iPhone 3GS	2527 Camino Ramon / Norris Canyon, San Ramon, CA 94583	Mon Dec 19, 2011
AT&T 0 Out of 5 Phone Model: Apple iPhone 3GS	No reception at all in my office.

T-Mobile 0 Out of 5 Phone Model: Blackberry Pearl	Windemere Area (94582), San Ramon, CA 94583	Sat Jan 29, 2011
T-Mobile 0 Out of 5 Phone Model: Blackberry Pearl	It works great everywhere I go. Even out of state. The only place I ever drop calls is in this area. The only place I get absolutely no reception is in my house. I have to stand at a window to use the phone. Metro PCS was even worse for coverage here.

AT&T 0 Out of 5 Phone Model: u6 Pebl	Norris Canyon, San Ramon, CA 94583	Fri Dec 08, 2006
AT&T 0 Out of 5 Phone Model: u6 Pebl	The entire length of norris canyon (in the canyon) has no reception. such a bad road it probably should have service for 911.

T-Mobile 0 Out of 5 Phone Model: Sony P910i	Henley Ct. / Norris Canyon Rd.& Ashborne, San Ramon, CA 94583	Sat Jul 22, 2006
T-Mobile 0 Out of 5 Phone Model: Sony P910i	this area is the worst in terms of reception and apparently it is in need of cell towers to suppor customers in this area or even for those on the phone driving through this area as calls are 200% dropped when driving pass this area. This area is consistently ignored by these major carriers...

Verizon 0 Out of 5 Phone Model: Samsung i730	Crow Canyon Rd.Just Past Bollinger Canyon Rd., San Ramon, CA 94583	Mon Mar 20, 2006
Verizon 0 Out of 5 Phone Model: Samsung i730	Call drops everytime when you drive down crow canyon going up the hill past Bollinger Canyon Road.

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T-Mobile 0 Out of 5 Phone Model: Motorola V300	Norris Canyon, San Ramon, CA 94583	Thu Jun 09, 2005
T-Mobile 0 Out of 5 Phone Model: Motorola V300	There is no reception once you go south of Bollinger canyon on Norris Canyon Rd.

AT&T Wireless (TDMA) 0 Out of 5 Phone Model: Motorola V60	Windemere Development, San Ramon, CA 94583	Wed Jul 28, 2004
	No reception in the Windemere area at all, very weak service available outdoors in the Gale Ranch development, called AT&T was told to switch to GSM.

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