Post Office-Grossmont (postoffice) serves the La Mesa community in La Mesa, CA, offering traditional postal services and a welcoming local business.
Operator computes a Health score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how Post Office-Grossmont broke down on Apr 26, 2026.
Post Office-Grossmont is indexed in Operator's Postoffice market index for La Mesa, CA.
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