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Fraud

Invalid USPS Corporate Account Numbers

Provide this listing to Contract Postal Units and acceptance clerks in non-POS locations without intranet access to validate a USPS Corporate Account (USPSCA) number online. For all other locations, online USPSCA validation is preferred. This list supersedes all previous notices, which you must recycle.

Acceptance clerks must not accept Priority Mail Express® shipments bearing an invalid USPSCA number in the “Payment by Account” or “Agreement Number” section of the label or form.

Note: The first 6 digits of a 9-digit Custom Designed Service and Next Day Pickup Agreement make up the Corporate Account Number.

 

005291

006326

006858

006862

006869

006873

006884

006896

006900

006998

007019

007021

007022

007055

007057

007075

007113

007126

007129

007141

007149

007159

007164

007168

007169

007171

007172

007190

007210

007218

007252

007260

007292

007363

007380

007385

008008

008017

008025

008031

008067

008082

008091

008100

008110

008119

008308

008602

008731

008747

008763

008785

008801

008912

008924

008943

009015

009259

009305

009474

009517

009563

009597

009606

009632

009851

009891

009900

009904

011221

012380

019615

022092

022125

027576

028111

028828

030004

038655

043307

046201

047100

049317

050095

057019

058029

060205

064202

065264

069217

071118

071205

075329

075441

075447

076253

076562

077267

080223

082421

088769

089737

089979

092607

098206

098467

100720

101497

105804

108110

112069

113731

115279

115371

117176

117192

117493

117968

119073

125190

135193

139022

142365

142516

146027

146047

146351

146538

146641

152797

171010

187040

187080

192598

197203

198194

200418

220105

221325

235249

253400

282770

282896

292754

300215

300511

300635

301424

301425

330242

331109

331312

332513

333209

333328

334133

335194

352784

366001

410016

410094

421029

432006

436170

448702

450218

452008

453009

476011

479601

480017

481206

481971

482990

483488

487281

488279

488726

494259

503033

522018

541270

551091

551813

553053

554228

596444

600858

601096

601138

601239

601695

601935

605133

605145

605825

608503

619006

633030

723053

727082

731052

731433

735087

740966

741966

752197

752848

752936

760507

775356

778065

782068

785337

787039

787734

841206

841288

841317

841996

852226

856495

891804

898063

900005

902899

910010

910386

912417

913050

913078

914096

914102

914224

921071

926238

926451

926974

927555

927793

928590

930405

932007

932692

934289

941069

941642

951389

951748

959102

967035

967100

967123

967196

967442

968201

968237

968433

968820

968844

968872

969206

972787

974003

980055

980115

980616

982049

982434

982462

982614

995004

995332

995358

995455

995688

995767

999001