The Bureau of Consular Affairs requires a contractor for pre-sort mailing services at the National Visa Center in Portsmouth, New Hampshire, handling about 80,000 domestic mail envelopes monthly. Services include daily pickup, presort sorting by zip code, barcode application, and same-day delivery to a USPS facility. The contractor must provide a mailing permit imprint and maintain a dedicated postage balance account. No specific budget amounts or submission timelines are mentioned in the description. Performance is exclusively at the Portsmouth, New Hampshire location.