The United States Postal Service (USPS) has suspended its services in some areas due to the extreme weather conditions. Mail for these areas is still being processed into the postal service as normal but customers should expect delivery times to take longer until the local weather conditions start to improve. The full list of affected areas is as follows:
- Michigan: 486-491, 493-499
- Indiana: 460-469, 472-475, 478, 479
- Chicago: 606-608
- Lakeland: 530-532, 534, 535, 537-539, 541-545, 549, 600, 602, 610, 611
- Detroit: 480-485, 492
- Illinois: 601, 603-605, 609, 613-618, 627
- Northern Ohio (Toledo area): 436
- Western Pennsylvania (Erie, Bradford areas): 164, 165, 167
- Western New York (Buffalo area): 142