ALBANY, N.Y. -- New York Gov. Eliot Spitzer allegedly used an escort service for at least a year and spent tens of thousands of dollars for meetings with women from the Emporors Club VIP, a source familiar with the case told WNBC.com.

A Spitzer spokeswoman declined to comment on these latest details.

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Survey: Do You Think Spitzer Should Resign?

Images: Spitzer Though The Years

Probe Continues

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Meanwhile, a top Republican state lawmaker has laid out an apparent ultimatum to Spitzer: Resign in the next two days, or I'll push for impeachment.

Spitzer Resignation Expected Wednesday

Albany Threatens Spitzer: Resign Or Impeachment

As of late Tuesday, one senior Spitzer staffer told WNBC.com, that the governor will officially resign Wednesday, most likely with a paper statement. Lt. Gov. David Paterson would then be sworn in as New York’s 55th governor.

The Spitzer staffer, however, warned a resignation appeared to be a done deal Monday evening, but didn’t happen.

The person went on to say, Wednesday might be different.

According to a WNBC/Marist Poll released late Tuesday, seven in 10 New York state voters think Governor Spitzer should resign from office. Twenty-two percent of respondents said he should not have to resign from office and 8 percent said they were not sure.

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Videos: Politicians Speak About Spitzer Scandal

Calls For Spitzer's Resignation Grows

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A majority of Democrats, Republicans and non-enrolled voters said they believed he should submit his resignation after it was revealed that he was a customer of a high-priced prostitution ring.

Even if he resigns from office, more New York state voters think he should face criminal prosecution for his actions than those who think he should not, the poll found.

According to the poll, 49 percent of registered voters said they think Spitzer should face criminal charges for his role as a customer of the Emperors Club VIP escort service. Sixty-four percent of Republican voters said they think the governor should be charged with a crime, but only 39 percent of Democrat respondents said they believe he should be charged.

If the governor does not resign from office, 66 percent of registered voters said they think the New York State Legislature should impach him. Even 57 percent of Democrats think the legislature should begin proceedings to remove the governor from office if he does not submit his resignation.

Assembly Minority Leader James Tedisco said the state can't have the governor's prostitution scandal hanging over its head.

To get articles of impeachment to the floor, Tedisco would need support from the Democratic majority in the Assembly. If the measure passed there, it would still need at least two-thirds approval of the combined vote of the Republican-controlled Senate and the nine-member Court of Appeals to proceed to trial.

However, Tedisco might not need to take those steps. Aides and Democratic colleagues have told NewsChannel 4 that they expect Spitzer to resign.

The sources said they expect the New York governor to submit a resignation letter he already drafted.

However, sources also said the governor spent time Monday reaching out to supporters to gauge if he would have their support should he decide to hold onto his office.

Should Spitzer step down, Lt. Gov. David Paterson would be offered the governornship.

New York City Mayor Michael Bloomberg weighed in on the situation Tuesday, saying he sent the governor his best wishes.

"I told him my thoughts were with him and wished him all the best," said Bloomberg, adding that any conversations between himself and Spitzer are private.

During an alleged meeting with a prostitute, the Democratic governor used the alias "George Fox," a source saud. His alleged conversations with the prostitution ring are detailed in court papers in which Spitzer is identified as "Client 9," according to a source.

Read a statement from the real George Fox, who said he considers the governor "a close friend."

The case started when banks noticed the frequent cash transfers from several accounts and filed suspicious activity reports with the Internal Revenue Service, a law enforcement official told The Associated Press Tuesday. The accounts were traced back to Spitzer, prompting public corruption investigators to open an inquiry.

The official spoke on condition of anonymity because the investigation is ongoing.

The inquiry found that Spitzer was a repeat customer with the Emperors Club VIP, a high-end prostitution service, the official said. In an affidavit filed in Manhattan federal court last week, Spitzer appeared as "Client 9," according to another law enforcement official who also spoke on condition of anonymity because of the ongoing investigation.

Spitzer allegedly paid for the call girl to take a train from New York to Washington -- a move that opened the transaction up to federal prosecution because she crossed state lines. The governor has not been charged, and prosecutors would not comment on the case. A Spitzer spokesman said the governor has retained a large Manhattan law firm.

Client 9 wanted a high-priced prostitute named Kristen to come to Washington on a 5:39 p.m. train from Manhattan Feb. 13. The door to the hotel room would be left ajar. Train tickets, cab fare, room service, and the minibar were all on him.

"Yup, same as in the past. No question about it," the caller told Kristen's boss, when asked if he would make his payment to the same business as usual, a federal affidavit said. The client paid $4,300 to Kristen, touted by the escort service as a "petite, pretty brunette," according to the court papers.

The tryst took place in the Mayflower hotel, where Spitzer rented a second room for the woman under another name, the law enforcement official who spoke to The AP on Tuesday said. Spitzer had to sneak past his State Police detail to get to her room, the official said.

Spitzer, a 48-year-old father of three teenage girls, was elected with a historic margin of victory, and took office Jan. 1, 2007, vowing to stamp out corruption in New York government in the same way that he took on Wall Street executives while state attorney general.

Spitzer's cases as attorney general included a few criminal prosecutions of prostitution rings and tourism involving prostitutes. He also uncovered crooked practices and self-dealing in the stock brokerage and insurance industries and in corporate board rooms; he went after former New York Stock Exchange chairman Richard Grasso over his $187.5 million compensation package.

Spitzer became known as the "Sheriff of Wall Street." Time magazine named him "Crusader of the Year," and the tabloids proclaimed him "Eliot Ness." The square-jawed graduate of Princeton University and Harvard Law was sometimes mentioned as a potential presidential candidate.

Spitzer's term as governor has been fraught with problems, including an unpopular plan to grant driver's licenses to illegal immigrants and a plot by his aides to smear his main Republican nemesis.

Attention turned to the state's lieutenant governor, David Paterson, who automatically becomes governor if Spitzer quits. There was no immediate comment from Paterson, who would become New York's first black governor.

There was no word on Spitzer's plans, but Assembly Republican leader James Tedisco said Tuesday he received a call Monday from Paterson.

Tedisco said Paterson raised the possibility of such a scenario by asking if Tedisco, who has been at odds with Spitzer, would be willing to start fresh with him.

"He called me to ask if we would give him the benefit of the doubt, and go forward," Tedisco said. "I told him we would."