| 01810 Andover | 978/351 | Essex County | Massachusetts (MA) |
| 01812 Andover | 978/351 | Essex County | Massachusetts (MA) |
| 01812 Internal Revenue Service | 978/351 | Essex County | Massachusetts (MA) |
| 01830 Haverhill | 978/351 | Essex County | Massachusetts (MA) |
| 01831 Haverhill | 978/351 | Essex County | Massachusetts (MA) |
| 01832 Haverhill | 978/351 | Essex County | Massachusetts (MA) |
| 01833 Georgetown | 978/351 | Essex County | Massachusetts (MA) |
| 01833 Haverhill | 978/351 | Essex County | Massachusetts (MA) |
| 01834 Groveland | 978/351 | Essex County | Massachusetts (MA) |
| 01835 Bradford | 978/351 | Essex County | Massachusetts (MA) |
| 01835 Haverhill | 978/351 | Essex County | Massachusetts (MA) |
| 01835 Ward Hill | 978/351 | Essex County | Massachusetts (MA) |
| 01840 Lawrence | 978/351 | Essex County | Massachusetts (MA) |
| 01841 Lawrence | 978/351 | Essex County | Massachusetts (MA) |
| 01842 Lawrence | 978/351 | Essex County | Massachusetts (MA) |
| 01843 Lawrence | 978/351 | Essex County | Massachusetts (MA) |
| 01843 South Lawrence | 978/351 | Essex County | Massachusetts (MA) |
| 01844 Methuen | 978/351 | Essex County | Massachusetts (MA) |
| 01845 North Andover | 978/351 | Essex County | Massachusetts (MA) |
| 01860 Merrimac | 978/351 | Essex County | Massachusetts (MA) |
| 01885 West Boxford | 978/351 | Essex County | Massachusetts (MA) |
| 01899 Andover | 978/351 | Essex County | Massachusetts (MA) |
| 01899 Bar Coded I R S | 978/351 | Essex County | Massachusetts (MA) |
| 01901 Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01902 Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01903 Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01904 East Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01904 Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01905 Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01905 West Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01906 Saugus | 781/339 | Essex County | Massachusetts (MA) |
| 01907 Swampscott | 781/339 | Essex County | Massachusetts (MA) |
| 01908 Nahant | 781/339 | Essex County | Massachusetts (MA) |
| 01910 General Elec Co | 781/339 | Essex County | Massachusetts (MA) |
| 01910 Lynn | 781/339 | Essex County | Massachusetts (MA) |
| 01913 Amesbury | 978/351 | Essex County | Massachusetts (MA) |
| 01915 Beverly | 978/351 | Essex County | Massachusetts (MA) |
| 01915 Beverly Farms | 978/351 | Essex County | Massachusetts (MA) |
| 01921 Boxford | 978/351 | Essex County | Massachusetts (MA) |
| 01922 Byfield | 978/351 | Essex County | Massachusetts (MA) |
| 01922 Newbury | 978/351 | Essex County | Massachusetts (MA) |
| 01923 Danvers | 978/351 | Essex County | Massachusetts (MA) |
| 01929 Essex | 978/351 | Essex County | Massachusetts (MA) |
| 01930 Gloucester | 978/351 | Essex County | Massachusetts (MA) |
| 01930 Magnolia | 978/351 | Essex County | Massachusetts (MA) |
| 01931 Gloucester | 978/351 | Essex County | Massachusetts (MA) |
| 01936 Hamilton | 978/351 | Essex County | Massachusetts (MA) |
| 01937 Hathorne | 978/351 | Essex County | Massachusetts (MA) |
| 01938 Ipswich | 978/351 | Essex County | Massachusetts (MA) |
| 01940 Lynnfield | 781/339 | Essex County | Massachusetts (MA) |
| 01940 South Lynnfield | 781/339 | Essex County | Massachusetts (MA) |
| 01944 Manchester | 978/351 | Essex County | Massachusetts (MA) |
| 01944 Manchester by the Sea | 978/351 | Essex County | Massachusetts (MA) |
| 01945 Marblehead | 781/339 | Essex County | Massachusetts (MA) |
| 01945 Mhead | 781/339 | Essex County | Massachusetts (MA) |
| 01949 Middleton | 978/351 | Essex County | Massachusetts (MA) |
| 01950 Newburyport | 978/351 | Essex County | Massachusetts (MA) |
| 01950 Plum Island | 978/351 | Essex County | Massachusetts (MA) |
| 01951 Newbury | 978/351 | Essex County | Massachusetts (MA) |
| 01951 Newburyport | 978/351 | Essex County | Massachusetts (MA) |
| 01951 Plum Island | 978/351 | Essex County | Massachusetts (MA) |
| 01952 Salisbury | 978/351 | Essex County | Massachusetts (MA) |
| 01952 Salisbury Bch | 978/351 | Essex County | Massachusetts (MA) |
| 01952 Salisbury Beach | 978/351 | Essex County | Massachusetts (MA) |
| 01960 Peabody | 978/351 | Essex County | Massachusetts (MA) |
| 01960 West Peabody | 978/351 | Essex County | Massachusetts (MA) |
| 01961 Peabody | 978/351 | Essex County | Massachusetts (MA) |
| 01965 Prides Crossing | 978/351 | Essex County | Massachusetts (MA) |
| 01965 Prides Crssng | 978/351 | Essex County | Massachusetts (MA) |
| 01966 Pigeon Cove | 978/351 | Essex County | Massachusetts (MA) |
| 01966 Rockport | 978/351 | Essex County | Massachusetts (MA) |
| 01969 Rowley | 978/351 | Essex County | Massachusetts (MA) |
| 01970 Salem | 978/351 | Essex County | Massachusetts (MA) |
| 01971 Salem | 978/351 | Essex County | Massachusetts (MA) |
| 01982 Hamilton | 978/351 | Essex County | Massachusetts (MA) |
| 01982 South Hamilton | 978/351 | Essex County | Massachusetts (MA) |
| 01983 Topsfield | 978/351 | Essex County | Massachusetts (MA) |
| 01984 Wenham | 978/351 | Essex County | Massachusetts (MA) |
| 01985 West Newbury | 978/351 | Essex County | Massachusetts (MA) |
| 05501 Andover | 978/351 | Essex County | Massachusetts (MA) |
| 05501 IRS Service Center | 978/351 | Essex County | Massachusetts (MA) |
| 05544 Andover | 978/351 | Essex County | Massachusetts (MA) |
| 05544 IRS Service Center | 978/351 | Essex County | Massachusetts (MA) |