postcalc.usps.com
Retail Postage Price Calculator
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-05-15 |
| Last crawled | 2026-06-15 |
| IPv4 | 23.37.16.42 |
| IPv6 | 2600:1406:2e00:98d::1983 |
| Network | AS16625 Akamai Technologies, Inc. · California |
| CNAME | wildcard.usps.com.edgekey.net |