578 Area Code: A Tale of Two Cities

The 578 area code, despite its relatively recent introduction, holds a unique position in the North American Numbering Plan (NANP). It currently serves as an overlay area code for two distinct regions: northeastern Pennsylvania (mainly the Wilkes-Barre/Scranton area) and central Missouri. Northeastern Pennsylvania In northeastern Pennsylvania, the 578 area code was implemented in November 2001…

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Unveiling the Mystery: A Guide to Upper Marlboro, MD ZIP Codes

Upper Marlboro, Maryland, the seat of Prince George’s County, holds a unique characteristic regarding ZIP codes. Unlike many towns with a single designated code, Upper Marlboro boasts multiple “Upper Marlboro MD ZIP Codes,” encompassing a broader area than the town limits itself. This article delves into the intricacies of Upper Marlboro’s ZIP code landscape. A…

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