Most hotels in Warsaw and Lódz offer Internet access (sometimes for a fee). There are also plenty of Internet cafés around, with rates between zl 3 and zl30 per hour for high-speed access. In Warsaw, you'll find several hot spots with free Wi-Fi access for those carrying laptops: in plac Zamkowy, ulica Nowy Swiat, ulica Chmielna, plac Bankowy, Warsaw University Library, the Traffic Club, and even in some restaurants and cafeterias. In Lódz, the library of Lódz Polytechnics, among other places, offers free Wi-Fi.

In Warsaw, the main post office in Swietokrzyska Street, and in Lódz, the post office in Tuwima Street, are open 24 hours a day.

Warsaw Internet Cafés

Café Casablanca (ul. Krakowskie Przedmiescie 4/6, Warsaw. 022/828-14-47. www.casablanca.com.pl). Courtyard by Marriott Cyber Café (Okecie Airport, Courtyard by Marriott, Zwirki i Wigury 1, Warsaw. 022/650-650-01-72). Simple Internet Café (Marszalkowska 99, Warsaw. 022/628-31-90. www.simpleinternetcafe.com).

Lódz Internet Cafés

Café del Mundo (Piotrkowska 53, Lódz. 042/633-68-67). Spadochronowa (Narutowicza 41, Lódz. 042/631-91-57. www.skydive.pl/kawiarnia).

Post Offices

Poczta Gowna (Main post Office, Swietokrzyska 31/33, Warsaw. 022/826-60-01). Poczta No. 1 (Tuwima 38, Lódz. 042/632-58-16).

Shipping Companies

DHL (Wirazowa 35, Warsaw. 0801-345-345. www.dhl.com). EMS Pocztex (Central Railway Station, al. Jerozolimskie 54, Warsaw. 022/825-77-18. www.pocztex.pl). Stolica (UPS, Pradzynskiego 1/3, Warsaw. 022/534-00-00. www.stolica.pl).