{
  "name": "Postmarkr current and historical USPS rate dataset",
  "description": "Fact-backed USPS mailing and shipping rates, plus First-Class letter and postcard rate history.",
  "dateModified": "2026-07-21",
  "temporalCoverage": "2020-01-26/2026-07-12",
  "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm",
  "records": [
    {
      "id": "current-first-class-mail-letters-1-oz-stamped",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "1 oz",
      "variant": "stamped",
      "value": 0.82,
      "displayValue": "$0.82",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-letters-1-oz-metered",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "1 oz",
      "variant": "metered",
      "value": 0.78,
      "displayValue": "$0.78",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-letters-2-oz-stamped",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "2 oz",
      "variant": "stamped",
      "value": 1.11,
      "displayValue": "$1.11",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-letters-2-oz-metered",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "2 oz",
      "variant": "metered",
      "value": 1.07,
      "displayValue": "$1.07",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-letters-3-oz-stamped",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "3 oz",
      "variant": "stamped",
      "value": 1.4,
      "displayValue": "$1.40",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-letters-3-oz-metered",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "3 oz",
      "variant": "metered",
      "value": 1.36,
      "displayValue": "$1.36",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-letters-3-5-oz-max-stamped",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "3.5 oz (max)",
      "variant": "stamped",
      "value": 1.69,
      "displayValue": "$1.69",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-letters-3-5-oz-max-metered",
      "recordType": "current-rate",
      "category": "First-Class Mail — Letters",
      "label": "3.5 oz (max)",
      "variant": "metered",
      "value": 1.65,
      "displayValue": "$1.65",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-postcards-flats-postcard-rate",
      "recordType": "current-rate",
      "category": "First-Class Mail — Postcards and Flats",
      "label": "Postcard",
      "variant": "rate",
      "value": 0.65,
      "displayValue": "$0.65",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-postcards-flats-large-envelope-flat-1-oz-rate",
      "recordType": "current-rate",
      "category": "First-Class Mail — Postcards and Flats",
      "label": "Large Envelope / Flat (1 oz)",
      "variant": "rate",
      "value": 1.69,
      "displayValue": "$1.69",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-first-class-mail-postcards-flats-presorted-automation-5-digit-1-oz-rate",
      "recordType": "current-rate",
      "category": "First-Class Mail — Postcards and Flats",
      "label": "Presorted Automation 5-Digit (1 oz)",
      "variant": "rate",
      "value": 0.621,
      "displayValue": "$0.621",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-priority-mail-flat-rate-envelope-retail",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Flat Rate Envelope",
      "variant": "retail",
      "value": 12.9,
      "displayValue": "$12.90",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-21",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-flat-rate-envelope-commercial",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Flat Rate Envelope",
      "variant": "commercial",
      "value": 11.12,
      "displayValue": "$11.12",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-small-flat-rate-box-retail",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Small Flat Rate Box",
      "variant": "retail",
      "value": 13.65,
      "displayValue": "$13.65",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-small-flat-rate-box-commercial",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Small Flat Rate Box",
      "variant": "commercial",
      "value": 12.1,
      "displayValue": "$12.10",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-medium-flat-rate-box-retail",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Medium Flat Rate Box",
      "variant": "retail",
      "value": 24.8,
      "displayValue": "$24.80",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-medium-flat-rate-box-commercial",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Medium Flat Rate Box",
      "variant": "commercial",
      "value": 21.17,
      "displayValue": "$21.17",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-large-flat-rate-box-retail",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Large Flat Rate Box",
      "variant": "retail",
      "value": 34,
      "displayValue": "$34.00",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-large-flat-rate-box-commercial",
      "recordType": "current-rate",
      "category": "Priority Mail",
      "label": "Large Flat Rate Box",
      "variant": "commercial",
      "value": 31,
      "displayValue": "$31.00",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-priority-mail-express-flat-rate-envelope-retail",
      "recordType": "current-rate",
      "category": "Priority Mail Express",
      "label": "Express Flat Rate Envelope",
      "variant": "retail",
      "value": 35.9,
      "displayValue": "$35.90",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-ground-advantage-1-lb-zone-1-4-retail",
      "recordType": "current-rate",
      "category": "Ground Advantage",
      "label": "1 lb (Zone 1–4)",
      "variant": "retail",
      "value": 9.55,
      "displayValue": "$9.55",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-ground-advantage-1-lb-zone-1-4-commercial",
      "recordType": "current-rate",
      "category": "Ground Advantage",
      "label": "1 lb (Zone 1–4)",
      "variant": "commercial",
      "value": 7.61,
      "displayValue": "$7.61",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-ground-advantage-5-lb-zone-1-4-retail",
      "recordType": "current-rate",
      "category": "Ground Advantage",
      "label": "5 lb (Zone 1–4)",
      "variant": "retail",
      "value": 12.95,
      "displayValue": "$12.95",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-ground-advantage-5-lb-zone-1-4-commercial",
      "recordType": "current-rate",
      "category": "Ground Advantage",
      "label": "5 lb (Zone 1–4)",
      "variant": "commercial",
      "value": 9.7,
      "displayValue": "$9.70",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-ground-advantage-10-lb-zone-1-4-retail",
      "recordType": "current-rate",
      "category": "Ground Advantage",
      "label": "10 lb (Zone 1–4)",
      "variant": "retail",
      "value": 15.95,
      "displayValue": "$15.95",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-ground-advantage-10-lb-zone-1-4-commercial",
      "recordType": "current-rate",
      "category": "Ground Advantage",
      "label": "10 lb (Zone 1–4)",
      "variant": "commercial",
      "value": 11.91,
      "displayValue": "$11.91",
      "currency": "USD",
      "effectiveDate": "2026-04-26",
      "lastVerifiedDate": "2026-07-01",
      "sourceUrl": "https://pe.usps.com/text/dmm300/notice123.htm"
    },
    {
      "id": "current-eddm-eddm-retail-per-piece-rate",
      "recordType": "current-rate",
      "category": "Every Door Direct Mail",
      "label": "EDDM Retail (per piece)",
      "variant": "rate",
      "value": 0.26,
      "displayValue": "$0.260",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-eddm-eddm-bmeu-per-piece-rate",
      "recordType": "current-rate",
      "category": "Every Door Direct Mail",
      "label": "EDDM BMEU (per piece)",
      "variant": "rate",
      "value": 0.259,
      "displayValue": "$0.259",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-certified-mail-add-on-fee-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Certified Mail (add-on fee)",
      "variant": "rate",
      "value": 5.55,
      "displayValue": "$5.55",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-certified-mail-restricted-delivery-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Certified Mail + Restricted Delivery",
      "variant": "rate",
      "value": 14.35,
      "displayValue": "$14.35",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-return-receipt-hard-copy-ps-3811-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Return Receipt (hard copy, PS 3811)",
      "variant": "rate",
      "value": 4.65,
      "displayValue": "$4.65",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-return-receipt-electronic-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Return Receipt (electronic)",
      "variant": "rate",
      "value": 2.91,
      "displayValue": "$2.91",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-certificate-of-mailing-ps-3817-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Certificate of Mailing (PS 3817)",
      "variant": "rate",
      "value": 2.45,
      "displayValue": "$2.45",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-signature-confirmation-retail-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Signature Confirmation (retail)",
      "variant": "rate",
      "value": 5.15,
      "displayValue": "$5.15",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-signature-confirmation-electronic-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Signature Confirmation (electronic)",
      "variant": "rate",
      "value": 4.15,
      "displayValue": "$4.15",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-registered-mail-declared-value-0-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Registered Mail (declared value $0)",
      "variant": "rate",
      "value": 20.9,
      "displayValue": "$20.90",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-insurance-0-01-50-00-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Insurance ($0.01–$50.00)",
      "variant": "rate",
      "value": 2.8,
      "displayValue": "$2.80",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-insurance-50-01-100-00-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Insurance ($50.01–$100.00)",
      "variant": "rate",
      "value": 3.5,
      "displayValue": "$3.50",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-extra-services-insurance-100-01-200-00-rate",
      "recordType": "current-rate",
      "category": "Extra Services",
      "label": "Insurance ($100.01–$200.00)",
      "variant": "rate",
      "value": 4.5,
      "displayValue": "$4.50",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-media-mail-1-lb-rate",
      "recordType": "current-rate",
      "category": "Media Mail",
      "label": "1 lb",
      "variant": "rate",
      "value": 4.39,
      "displayValue": "$4.39",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "current-media-mail-2-lb-rate",
      "recordType": "current-rate",
      "category": "Media Mail",
      "label": "2 lb",
      "variant": "rate",
      "value": 5.13,
      "displayValue": "$5.13",
      "currency": "USD",
      "effectiveDate": "2026-07-12",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/resources/PriceChange/July%202026%20Price%20Change%20-%2007082026%20-%20Notice%20123.zip"
    },
    {
      "id": "history-first-class-letter-1oz-2020-01-26",
      "recordType": "historical-rate",
      "category": "USPS rate history",
      "label": "First-Class Letter (1 oz, stamped)",
      "variant": "historical",
      "value": 0.55,
      "displayValue": "$0.55",
      "currency": "USD",
      "effectiveDate": "2020-01-26",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/Archive/NHTML/DMMArchive20200126/Notice123.htm",
      "seriesId": "first_class_letter_1oz"
    },
    {
      "id": "history-first-class-letter-1oz-2021-01-24",
      "recordType": "historical-rate",
      "category": "USPS rate history",
      "label": "First-Class Letter (1 oz, stamped)",
      "variant": "historical",
      "value": 0.55,
      "displayValue": "$0.55",
      "currency": "USD",
      "effectiveDate": "2021-01-24",
      "lastVerifiedDate": "2026-07-19",
      "sourceUrl": "https://pe.usps.com/Archive/NHTML/DMMArchive20210124/Notice123.htm",
      "seriesId": "first_class_letter_1oz"
    },
    {
      "id": "history-first-class-letter-1oz-2022-07-10",
      "recordType": "historical-rate",
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