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Sprint Coverage Map in Diamond Bar, CA


Sprint coverage comments are submitted voluntarily by visitors around the Diamond Bar, CA area.

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Date
Sprint
1 Out of 5
1 Out of 5

Phone Model:
HTC Evo 4G 		Diamond Bar Blvd. / Grand Ave., Diamond Bar, CA 91765 Thu Oct 14, 2010

neighborhood behind ralph's (monument canyon drive) market is Sprint dead zone, 1 bar at most, no 4g, 3g is extremely slow (350 down, 120 up). T-Mo cell phone has strong signal since 2008, haven't tested data speeds. Verizon appears to be okay as well based on mobile broadband bars on laptop stick. Again, this is the neighborhood surrounded by HILLS behind the Ralph's store and not necessarily the DB / Grand intersection itself.

Sprint
1 Out of 5
1 Out of 5

Phone Model:
Samsung SPH-M520 		Pantera Dr. / Bowcreek Dr., Diamond Bar, CA 91765 Sat Jan 24, 2009

I have been walking the same route for several years, and have never had a problem with reception until a couple of weeks ago. Now I can't get a decent signal at all. The only thing that has changed is a new cell tower that was recently built at Pantera Park. Who operates this tower? I know it is not Sprint, but am wondering if it is affecting my signal?

Sprint
5 Out of 5
5 Out of 5

Phone Model:
Sanyo RL 2500		 Grand Ave. / Diamond Bar Blvd., Diamond Bar, CA 91765 Wed Feb 15, 2006

VERY GOOD RECEPTION - that's because of the combination of Sprint service and a Sanyo cell phone. Sprint has great service almost everywhere except San Dimas and Sanyo phones are VERY good quality when it comes to receiving reception and clear calls!

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Sprint
5 Out of 5
5 Out of 5

Phone Model:
Samsung SPH-A500 		Diamond Bar Blvd. / Grand, Diamond Bar, CA 91765 Mon Mar 15, 2004

This seems to be a tough area for some carriers (I just saw someone report AT&T problems here). But Sprint is working solid at this intersection now.


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